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Xinhua, China’s official news agency, said environmental authorities were engaged in a “tough” crackdown on firms that continued to ignore the compulsory three-day shutdown, which began at 7am on Monday.

One of those drivers, who gave his name only as Mr Qian, was fined 100 yuan (about £10) for taking his car out on the wrong day.

“I think we should comply with the government’s policy,” Qian added. “After all, the pollution is really bad.”

Still, the government’s unprecedented step was a sign that “the country now faces its problems head-on and respects the public’s appeals and demands”, it said.

But many reacted to the latest “airpocalypse” with resignation. “This is modern life for Beijing people,” office worker Cao Yong told Associated Press. “We wanted to develop and now we pay the price.”

The red alert -- the highest level in the system -- is due to be in force until noon Thursday local time. The city is currently under an orange alert, the second-highest level.

aims to have its emissions peak by 2030.

the Great Smog of 1952, pollutants from factories and home fireplaces mixed with air condensation killed at least 4,000 people in London over the course of several days.

However, in 2007, almost half (46 percent) of all Americans resided in counties with unhealthy levels of either ozone or particle pollution, according to the American Lung Association (ALA).

It irritates the respiratory tract and can lead to a number of health problems, including asthma attacks, chest pain and even death.

It causes many other health effects, premature births to serious respiratory disorders, even when the particle levels are very low. It makes asthma worse and causes wheezing, coughing and respiratory irritation in anyone with sensitive airways. It also triggers heart attacks, strokes, irregular heartbeat, and premature death.”

For centuries, humans unknowingly contaminated sources of drinking water with raw sewage, which led to diseases such as cholera and typhoid.

Water pollution intensified with the advent of the Industrial Revolution,

Over half the American population (including the majority of those living in rural areas) relies on groundwater for drinking water, according to The Groundwater Foundation

The disaster, which created a 3,000-square-mile oil slick, instantly killed hundreds of thousands of birds, fish and other wildlife and devastated the area for years afterward.

Denver-based oil and gas company K P Kauffman allegedly violated air pollution laws, emitting volatile organic compounds that form smog in the Denver-Julesburg Basin, an area that wasn’t meeting smog standards. The company settled and agreed to pay $1m in eight installments over four years, but it has not been required to pay its second installment because of the freeze. The company did not respond to requests for comment.

Chris Saeger, director of strategic initiatives at Accountable.US, said: “This is exactly the time to make sure support is flowing to the federal, state and local governments that need a hand with responding to the coronavirus crisis and with the environmental problems that these special interests have caused.”

The companies will not be required to pay penalties before 1 June, although they have the option to do so and at least two companies told the Guardian they made payments despite the extension. The EPA would not respond to inquiries about its policy and or say which companies paid penalties.

One company, Virginia power provider Dominion Energy, settled and agreed to pay $1.4m for allegedly releasing 27.5m gallons of water from a coal ash impoundment that seeped into groundwater along the shore of the James River. Coal ash contains dangerous pollutants, including mercury, cadmium and arsenic, which can cause widespread environmental damage. The company said it plans to pay the settlement penalty once it is finalized.

Another alleged violator, one of the world’s largest steel companies, ArcelorMittal, decided to pay the $5m penalty it agreed to for air quality issues at steel plants in East Chicago, Indiana; Burns Harbor, Indiana; and Cleveland, Ohio, according to a spokesman.

BP was accused of emitting too much particle pollution, which is linked to asthma and heart attacks. The justice department’s assistant attorney general Brian Benczkowski represented BP in the past. BP employees have given $85,000 to Trump campaign groups.

Globalization helps drive these patterns to new extremes. Money flows into suburbs like San Marino and Palos Verdes, where Asian immigrants buy up expensive properties and generously donate their time and money to the local schools. Money flows out of poorer suburbs like South Gate, Bell and Huntington Park, all heavily Latino, where disposable income is tight and many families export remittances to a home country. New poverty builds upon old impoverishment. Infrastructure is stretched as renters crowd into dwellings that were modest to begin with. The toxic footprint of departed industries is left behind for new residents to contend with.

Many of Los Angeles’s middling suburbs have also slipped, especially those ravaged by plant closures since the 1980s. The southern section of blue-collar suburbs was hit especially hard. Here, suburbia transformed from comfortable communities housing unionized workers with well-paying jobs in local factories that gave them access to a middle-class lifestyle to fiscally strained communities housing immigrants working in low-paying, nonunion jobs.

Outer suburbs have fared little better. As home costs skyrocketed in recent decades, families chased “affordable” housing to the exurbs. They took on outsize mortgages and monster commutes, and they took with them congested roads, smog and sprawl. Compounding these strains, tax revenues lagged behind the cost of schools, roads, parks and libraries — the very infrastructure necessary to sustain middle-class life. This edifice came crashing down in the recession.

Policies to redress suburban inequality must focus not only on factors like income but also on tax equity across metro areas and regional planning that fairly distributes resources and responsibilities (like affordable housing). We should limit the mortgage-interest deduction for second homes and for values above the regional median. These steps would reduce distortions that inflate housing prices and concentrate wealth in what are already wealthy places.

Factors such as central heating systems dependent on coal mean that northern China experiences frequent bouts of toxic air, the latest episode of serious pollution in eastern China is a reminder that the rest of the country is not immune to the dangers.

Environmental officials blamed the poor conditions on the lack of strong winds to flush out bad air and the growing number of vehicles pumping out pollutants, according to the Shanghai-based Oriental Morning Post. The newspaper said more favorable weather conditions that could help reduce pollution are expected to begin Sunday.

“You can hear the person you are talking to, but not see him

The Chinese government describes air with an AQI between 301 and 500 as “heavily polluted” and urges people to refrain from exercising outdoors; the elderly and other vulnerable populations are supposed to stay indoors entirely

between 301 and 500 as “hazardous.”

Beijing declared an “airpocalpyse” last January when the U.S. Embassy reported an AQI equivalent of 755, with a PM2.5 concentration of 866 milligrams per cubic meter.

The pollution in Harbin has caused a 30 percent surge in hospital admissions

In the meantime, residents were left comparing the air to something out of a horror film

China’s economy depends heavily on cheap coal-fired electricity, and the country has a history of balking at outside reviews of its industries. China has also been plagued by major corruption cases, particularly among coal companies.

Domestic and external pressures have driven the Chinese government to take firmer action to curb emissions from fossil fuels, especially coal. Growing public anger about the noxious air that often envelops Beijing and many other Chinese cities has prompted the government to introduce restrictions on coal and other sources of smog, with the side benefit of reducing carbon dioxide pollution.

The climate deal will be a substantial, if rare, bright spot in a wide-ranging summit meeting that is expected to be dominated by potential sources of friction between Mr. Obama and Mr. Xi.

The president plans to raise a number of contentious topics on Friday, White House aides said, including cyberattacks on American companies and government agencies, China’s increasingly aggressive reclamation of islands and atolls in disputed areas of the South China Sea, and Mr. Xi’s clampdown on dissidents and lawyers in China.

Under a cap-and-trade system, a concept created by American economists, governments place a cap on the amount of carbon pollution that may be emitted annually. Companies can then buy and sell permits to pollute. Western economists have long backed the idea as a market-driven way to push industry to cleaner forms of energy, by making polluting energy more expensive.

Looking back to the early 20th century, it was the Standard English used in England, spoken with the accent known as “Received Pronunciation,” that carried prestige. But today the largest concentration of native speakers is in the US, and the influence of US English can be heard throughout the world: can I get a cookie, I’m good, did you eat, the movies, “skedule” rather than “shedule.” In the future, to speak English will be to speak US English.

The turn of the 20th century was a period of regulation and fixity—the rules of Standard English were established and codified in grammar books and in the New (Oxford) English Dictionary on historical principles, published as a series of volumes from 1884-1928. Today we are witnessing a process of de-standardization, and the emergence of competing norms of usage.

Clipped forms, acronyms, blends, and abbreviations have long been productive methods of word formation in English (think of bus, smog and scuba) but the huge increase in such coinages means that they will be far more prominent in the English of 2115.

John Sudworth, BBC News, Beijing: "Why red now?"

The World Health Organization recommends 25 micrograms per cubic metre as the maximum safe level.

the US Embassy's air pollution monitor in Beijing reported that the intensity of the tiny particles known as PM 2.5 was at 291 micrograms per cubic metre.

The order will last until 12:00 on Thursday, when a cold front is expected to arrive and clear the smog.

So why red now? Well, the lack of any previous red alerts has been met with increasingly loud howls of derision. What would it take, people wondered last week - as their children felt their way to the still open schools through the poisonous gloom - for the government to act?

China's air quality is a key factor in its push for a new global deal on climate change.

Around 58% of the increase in the country's primary energy consumption in 2013-14 came from non-fossil fuel sources.

A strong agreement here in Paris won't immediately solve China's air woes, but if it ultimately pushes down the price of renewables even further, it could play a part in solving the issue long term.

While the smog's effects have been worsened by weather conditions and the city's geography - bordered to the south and east by industrial areas that generate pollution and to the north and west by mountains that trap it - it has prompted increasing concern that China has prioritised economic growth at too high an environmental cost.

Activists said the level hit 1,400 micrograms per cubic metre in the north-east city of Shenyang last month, saying it was the worst seen in China.

In comparison, London's PM 2.5 average on 6 December was 8 micrograms per cubic metre, the Environmental Research Group at King's College said. It said more than 70 was reached during spring 2014 and 2015, and the highest was on bonfire night, 5 November 2006, at 112.

China still depends on coal for more than 60% of its power, despite major investment in renewable energy sources.

Schools were advised to close, but some were choosing to stay open if they felt they had adequate air filtration systems.

sending PM2.5 levels in the suburbs as high as 976 micrograms.

A study led by atmospheric chemist Jos Lelieveld of Germany's Max Planck Institute and published this year in Nature magazine estimated that 1.4 million people each year die prematurely because of pollution in China.

Most of the pollution is blamed on coal-fired power plants

So far it has banned all conventional cars built before 1997 from entering the city centre on weekdays between 8am and 8pm. Diesels registered before 2001 are also prohibited. Drivers breaching the bans face heavy fines.

Individuals can now claim benefits worth up to €600 (£522), to help them buy a bike, obtain a public transport pass, or join a car sharing scheme - but only if they agree to scrap their cars or motorbikes. Small businesses can claim up to €9,000 towards the cost of an electric truck or bus.

The city has, however, suffered one major setback. Its showpiece Vélib cycle hire scheme - which has been copied by cities around the world since its launch in 2007 - has run into trouble.

enewable power last year surged to 36 percent of the country's electricity use, according to the Agora Energiewende think tank. But while renewables grew in the power sector, they didn't make major strides in transport or heating, so they account for just over 13 percent of energy use.

Germany is also set to fall short of its national climate target of cutting greenhouse gas emissions by 40 percent by 2020. The new coalition government effectively abandoned that goal, instead focusing on meeting its 2030 target of reducing emissions by 55 percent. Germany is also expected to miss its emissions reduction target for sectors such as transport and buildings.

For years Germany was one of the world's energy transformation leaders. It was German cash that helped finance the technology revolution that has turned solar and wind into viable technologies that now generate increasingly cheap power

An average four-person household has to pay more than double for power in 2017 compared to 2000,"

The powerful German business lobby BDI is also unhappy, saying in a recent report that high electricity costs, delays in boosting the energy efficiency of buildings, and a “lack of vision” on transport are "worrying German industry.”

Greenhouse gas emissions in Germany have stagnated for three years in a row, rather than falling. That's largely to do with rising pollution caused by transportation, as well as a failure to reduce emissions in the buildings sector as energy consumption went up thanks to the economic recovery.

Souring opinions on diesel engines further weigh on emissions. Diesel cars emit less greenhouse gases than those powered by gasoline, which is why the country's politicians and car industry saw diesel as a panacea to deal with global warming.

But the Dieselgate scandal hammered the reputation of diesel cars, and there is growing concern about the smog that diesel generates. As cities consider banning older diesel cars, sales have fallen off a cliff. The share of diesel-fueled passenger cars in Germany was 39 percent last year, down from about 46 percent in 2016, 

"Germany missed bringing electric cars on to roads,

"In order to have an energy transition, you have to build up renewable energies, but then you also have to reduce coal, step-by-step,” Kemfert said. "That happened too late in Germany.

A lot of Germany's renewable power, especially powerful offshore wind, is generated in the north of the country. The difficulty is getting that electricity to industrial regions in the south like Bavaria.

For years Germany annoyed neighbors like the Netherlands, the Czech Republic and Poland by sending surges of electricity through their networks. They've now taken short-term measures to reduce the disruptions until the necessary transmission links are built.

domestic opposition is making it difficult for Germany to build its own north-south and other new interconnectors. The project has faced delays as people battle the idea of ugly high-voltage power lines besmirching pretty landscapes. Now much of the interconnector is due to run underground, ramping up costs.

Volkswagen's recent pledge to spend €20 billion on battery contracts and to begin making electric cars at 16 sites worldwide shows the car industry is taking steps to shift its business model — which could help secure a long-term drop in Germany's transport emissions.

Proponents of a swift coal exit, however, shouldn't hold their breath. Altmaier also said that ending coal power won't "happen suddenly and abruptly, but step-by-step over several decades."

“I left the EPA because of the proposals to roll back legislation that will have direct impacts on local communities,” he said. “Ten months in, they have yet to move forward any action to help communities be healthier. People in Puerto Rico are drinking toxic water. Unfortunately, so far, I’ve been proved right in my decision to leave. I wanted them to prove me wrong.”

The Trump administration has targeted dozens of regulations it says have stymied economic growth. It has moved to axe an Obama-era plan to reduce emissions from coal-fired power plants, delayed new standards to cut toxic fumes from vehicles and dropped a proposed ban on a pesticide linked to developmental delays in children.

But Ali said there was little evidence the agency is focused on vulnerable communities, claiming it is a “particular slap in the face” that the EPA wants to cut funding for anti-lead programs given that the largely black city of Flint, Michigan, continues to suffer from lead-tainted water, three years after the scandal was exposed.

“I became an environmentalist, I have to be candid with you, not because of the effects of global warming some time in the future,” said Booker, a former mayor of Newark, New Jersey, at a time when the city was experiencing its own problems with lead contamination of drinking water. “I became an environmentalist because I saw horrific examples of environmental injustice and how it was hurting my community in every single way.”

One in three Latinos live in areas that violate federal standards for ozone, a pollutant that causes smog and is linked to an array of health problems. The thousands of abandoned mines that dot the western US have left a legacy of soil and water contamination that blights native American tribes, such as the Navajo nation.

Nearly seven in 10 African Americans live within 30 miles of a coal-fired power plant, compared with 56% of whites. Once the coal is burned, its ash, which can damage the nervous system and cause cancers if ingested or inhaled, is dumped in about 1,400 sites around the US – 70% of which are situated in low-income communities.

Researchers believe volcanic activity on GJ 1132 b to be the cause.

"We first thought that these highly irradiated planets could be pretty boring because we believed that they lost their atmospheres. But we looked at existing observations of this planet with Hubble and said, 'Oh no, there is an atmosphere there.'"

Exoplanet GJ 1132 b has an elliptical, or oval-shaped, orbit, which creates strong tidal forces when the planet is at its closest and farthest distances in relation to the star. There is also another planet in the system that has a gravitational tug on the planet.

the alternative to that, which is admittedly less economically efficient, but much more likely to succeed in the real world, is to recognize that cleaner energy sources deliver some public good. They deliver a benefit of cleaner air, less air pollution and deaths and mortalities and asthma attacks and less climate damages. And to subsidize their production, so that we get more from the clean sources.

I do think that we are going to see basically the full range of all of those clean firm power generation technologies get trialed out over the next few years and have a chance to scale

what is going to be key to stopping, preventing the worst impacts of climate change is reaching net-zero greenhouse gas emissions globally as rapidly as possible.

where I see the future for nuclear in the West, and I think where the bulk of the industry and the investment now is focused is on smaller and more modular reactors that instead of trying to power a million people per reactor are trying to power 50,000 or 100,000 people, like a 1/10 or a 1/20 the size of a large scale reactor.

the challenge for electricity is really twofold, we have to cut emissions from the power sector, right? Which already is now the number two, used to be the number one, emitting sector of the economy. Since we have made some progress, electricity is now number two and transportation is edged into the number one position for biggest greenhouse gas polluting sector.

it is an important reality of complex energy systems that we need a complete team of resources, and we need a range of options because we’re a big, diverse country with different resource spaces, different geographic constraints and different values, frankly. So that some parts of the country really do want to build nuclear power or really do want to continue to use natural gas. Other parts don’t want to touch them.

I’m really struck by this International Energy Association estimate that almost half of global emissions reductions by 2050 will come from technologies that exist only as prototypes or demonstration projects today

And that means that the bets on each individual one are so much smaller that you can build one for a billion dollars instead of $15 billion or $20 billion. And I think that makes it much more likely that we can get our muscle memory back and get the economies of scale and learning by doing and trained work force developed around building them in series. That’s going to be key to building low-cost reactors.

I think we have to add that to the message. It’s not saying that one outweighs the other or these trade-offs are easy, but it is an important element that we can’t forget. That the more transmission we build, the more wind and solar we build, the lower the air pollution and public health impacts on vulnerable communities are as well, and we can save tens of thousands of lives in the process.

And so there’s sort of an opportunity cost right now where until we’ve shut down the last coal plants and the last natural gas plants, every single megawatt-hour of new clean electricity, new energy efficiency that we can add to the grid that goes to replace a nuclear power plant is a wasted opportunity to accelerate our emissions reductions and get rid of those dirty fossil fuels.

here is a segment of the climate movement that just hates this part of the bill, hates this part of the theory, does not want to see a substantial part of our decarbonization pathway built around things that allow us to continue producing fossil fuels in a putatively cleaner way. And I think there’s also some skepticism that it really will work technically in the long run. What is that critique? And why aren’t you persuaded by it?

And so they don’t cost a whole lot to demonstrate. We’re talking about tens of millions of dollars to demonstrate, rather than billions of dollars. And so I’m confident that we’re going to see a lot of success there.

But what we need are technologies that are not constrained by the weather and are not constrained by a duration limit, that can go as long as we need them, whenever we need them. And that’s what we call the third category, which are firm resources or clean firm resources, because we want to replace the dirty ones with the clean ones. And so today, we rely on natural gas and coal and our existing nuclear fleet for that firm role. But if we want to build a clean energy system and we need all that new clean electricity, we’re going to need to build about an equivalent amount as we have coal and gas plants today of clean firm options, whether that’s new nuclear power plants, advanced geothermal or similar options like that.

it is a massive transformation of our energy system, right? We’re going to have to rewire the country and change the way we make and use energy from the way we produce it, to the way we transport it, to the way we consume it at a very large scale. And so, yeah, that is the statistic.

l, let me get at that point about revitalization, about trying to spread a lot of this money geographically, widely. When I’ve talked to the Biden administration about this bill, something they’re always very keen to tell me is that it isn’t just money, it is standards. This bill is full of standards.

Well, there’s two — I think, two elements of that critique. One is that fossil energy companies are themselves primarily responsible for our lack of progress on climate change. That because of their vested economic interests, they have actively disrupted efforts to confront climate change over the long haul. And so climate campaigners, in this view, are trying to delegitimize fossil fuel companies and industries as social actors, the same way that tobacco companies were villainized and basically delegitimized as legitimate corporate citizens. And so that’s an effort, that’s a political strategy, that’s meant to try to weaken the ability of oil and gas companies to impede progress.

And that is real value because every time we burn natural gas or coal, we’re consuming something that costs money. And if we can avoid that, then the wind and solar farms are effectively delivering value in the value of the avoided fuel, and of course, the social value of the avoided emissions.

let’s also not forget that the money talks, right? That finances is a necessary condition, if not sufficient. But what this bill does is aligns all of the financial incentives, or at least most of them, behind making the right clean energy choices. And without that, there’s no way we’re going to make progress at the pace we need

And geothermal, unlike a big nuclear plant, they’re really modular. You only need to build them in 5 or 10 megawatt increments

The first rule of holes is stop digging, right? Then you can figure out how to climb out

We’re going to see the first nuclear power plants built at the end of the decade. There are a variety of technologies that are getting licensed by the Nuclear Regulatory Commissio

re you confident that we have or are near to having the carbon-capture technologies to reliably capture, and store, or use carbon for very, very long periods of geologic time?

You shouldn’t expect everyone to just be altruistic. We have to make it make good financial sense for everyone to make the clean choice. And so there’s two ways to do that. You can make fossil energy more expensive to price in the true cost of consuming fossil fuels for society, which includes all of the climate damages that are going to occur down the line because of accelerating climate change, but also air pollution

We still have to go all the way from there to net-zero in 2050. And that, of course, is assuming that we can build transmission in wind and solar at the pace that makes economic sense. So if we can’t do that, we’re going to fall even further short. So this is a big step down the road to net zero, but it is not the last step we need to take. And we need to sustain and accelerate this transition.

the policy environment is now finally aligned to do that with the Inflation Reduction Act and the infrastructure law providing both demonstration funding for the first kind of n-of-a-kind, first handful of projects in all of those categories, as well as the first market-ready deployment subsidies, so that we can scale up, and drive down the cost, and improve the maturity and performance of all those technologies over the next 10 years as well, just as we did for wind and solar.

And so the role of wind and solar is effectively to displace the fuel consumption of other potentially more dependable resources in the grid, maybe not necessarily to shut down the power plant as a whole, but to use it less and less.

The last time Congress took up and failed to pass climate policy in 2009 and 2010, solar PV cost 10 times as much as it does today, and wind, onshore wind farms, cost three times as much as they do today. So we’ve seen a 90 percent decline in the cost of both solar PV and lithium ion batteries, which are the major cost component in electric vehicles and our main source of growing grid scale energy storage to help deal with the variability of wind and solar on the grid. And so those costs have come down by a factor of 10, and we’ve seen about a 70 percent decline in the cost of wind over the last decade. And that changes the whole game, right?

we tried them out, and we deployed them at scale, and we got better and better at it over time. And so we don’t need carbon capture at scale this decade. The things that are going to do all of the emissions reduction work, really, the bulk of it, are technologies that we bet on a decade ago and are ready to scale now. What we need to do over this next decade is to repeat that same kind of success that we had for wind and solar and batteries with the full portfolio of options that we think we might need at scale in the 2030s and 2040

Every year matters. Every tenth of a degree of warming matters in terms of the impacts and damages and suffering that can be avoided in the future. And so we need to get to net-zero emissions globally as rapidly as we can.

until we reach the point where the total emissions of climate-warming gases from human activities is exactly equaled out or more so by the removal of those same greenhouse gases from the atmosphere each year due to human activities, we’re basically contributing to the growing concentration of climate-warming gases in the atmosphere. And that’s what drives climate change, those cumulative emissions and the total atmospheric concentrations of greenhouse gases

let’s take the big picture of that. It gets called decarbonization, but as I understand it, basically every theory of how to hit net zero by 2050 looks like this — you make electricity clean, you make much more clean electricity, you make almost everything run on electricity, and then you mop up the kind of small industries or productive questions that we have not figured out how to make electric. Is that basically right?

nothing in this bill really changes our capacity to plan. There’s no central coordinator, or the federal government doesn’t have vast new powers to decide where things go. So I worry a little bit that we’re solving the money problem, but there’s a lot of other reasons we end up building things slowly and over budget than just money.

And so when I think about the challenge of decarbonization, I think about how you unlock feedback loops and how you change the political economy of decarbonization by disrupting current interests that might oppose clean energy transitions and building and strengthening interests that would support them

the other analogy I often use is that of a balanced diet. You can’t eat only bananas, and you don’t want to only eat burgers, you want to eat a diverse mix of different parts of your diet. And so whether it’s trying to have all the right star players playing the right position on the court or trying to balance out your diet, what we need to build is an effective energy system that consists of team of different roles. And we break it down in our research as basically three key roles.

There’s a second, and more substantial or tangible reason to oppose carbon capture, which is that if it perpetuates some amount of fossil fuel use — it’s going to be dramatically less than today — but some amount of fossil fuel use, then it also perpetuates some of the impacts of the extractive economy and the transport and processing of fossil fuels that have primarily been borne by low income and Black and Brown communities

I worry about those things too. Those were big emphasis points in the Net-Zero America Study. Once you start to really unpack the scale and pace of change that we’re talking about, you inevitably start to be concerned with some of those other kind of rate limiting factors that constrained how quickly we can make this transition.

you write and your colleagues write in the Net-Zero Report that, quote, “expanding the supply of clean electricity is a linchpin in all net-zero paths.”

achieving the required additions by 2030 of utility scale solar and wind capacity means installing 38 to 67 gigawatts a year on average. The U.S. single year record added capacity is 25 gigawatts, which we did in 2020. So we need to on average be somewhere between — be around doubling our best-ever year in solar and wind capacity installation year after year after year after year.

that’s a big role, but it’s not the only role that we have. And because their output is variable, as well as demand for electricity which goes up and down.

there’s basically two main reasons why electricity is such a key linchpin. The first is that it’s a carbon-free energy carrier. And by that I mean it’s a way to move energy around in our economy and convert it and make use of it that doesn’t emit any CO2 directly when we do use electricity.

And so, yeah, you do have to onboard new workers through apprenticeship programs and pay them prevailing wages if you want to build wind and solar projects.

The first is the one that wind and solar fill and other weather-dependent variable renewable resources. And we call those fuel-saving resources. If you think about what a wind farm is, it’s a bunch of steel, and copper, and capital that you invested upfront that then has no fuel costs.

so aligning the incentives isn’t sufficient, but it does mean we now have a lot more very clear reasons for a lot more constituents to try to get to work solving the next set of challenges. And so that’s a huge step forward.

We need a second key role, which we call fast-burst or balancing resources. And that’s where batteries, battery energy storage, as well as smart charging of electric vehicles or other ways to flexibly move around when we consume electricity

so if we can grow the share of carbon-free generation, we can decarbonize both the front end of the supply of our energy carriers. And then when we consume that carbon-free electricity on the other end, it doesn’t emit CO2 either. And there’s just a lot more ways to produce carbon-free electricity than there are to produce liquid fuels or gaseous fuels

we could avoid on the order of 35,000 premature deaths over the first decade of implementation of the Inflation Reduction Act due to the improvements in our clean energy economy, through the reduction of coal combustion and vehicle-related emissions.

I just don’t think we’re going to sustain the clean energy transition and diversify the set of communities that have a clear political stake in continuing that transition if we don’t drive some of these kinds of broad benefits that the bill is trying to do

And then when I talk to critics of the bill, one thing I hear is that a real problem is that this bill is full of standards. That if you just look at the decarbonization task — the land use we were talking about, the speed we need to do it. It is inhumanly hard already. But all over this bill is the tying of decarbonization money to other kinds of priorities,

If you think about what it would take to get 10 times as much political will to act, that’s a huge effort, right? There’s a lot of organizing. There’s a lot of transforming politics to get 10 times as much political will

then the challenge is we need to produce that electricity from a carbon-free source, and that’s the second reason why electricity is so key because we do actually have a lot of different ways to produce carbon-free electricity

one of the clear, tangible, near-term benefits of transitioning away from fossil fuel combustion, whether those are coal-fired power plants or buses or gasoline vehicles is that we’re going to substantially reduce fine particulate pollution and other ozone forming pollution that also creates smog and impacts urban air quality and air quality across the country

we need solutions that work in all of those contexts. And so keeping our options open, rather than trying to constrain them is definitely the lowest risk way to proceed these days. Because if you bet on a set of limited set of technologies, and you bet wrong, you’ve bet the planet, and you’ve failed. The stakes are that high.

we are going to need to enter a new era of nation building, right? A new era of investment in physical infrastructure that can build a better country. There are huge benefits associated with this, but are going to mean, we are going to see large-scale construction, and infrastructure, and impacts on lives

the Inflation Reduction Act is insufficient. It’s a huge step forward. But our estimation from the Repeat Project is that it cuts about two-thirds of the annual emissions gap that we need to close in 2030. It still leaves about a half a billion tons of emissions on the table that we need to tackle with additional policies. And that’s just 2030.

All of those decisions, we basically are putting the thumb on the scale heavily for the cleaner option over the dirtier option.

it took 140 years to build today’s power grid. Now, we have to build that much new clean electricity again and then build it again, so we have to build it twice over in just 30 years to hit our goals.

We, in the broad human sense, right? So Germany and Spain and China and the United States and a whole bunch of different countries decided to subsidize the deployment of those technologies when they were expensive, create early markets that drove innovation and cost declines and made them into tremendously affordable options for the future

“Making Climate Policy Work” by Danny Cullenward and David Victor, which explores the political economy and really real world history and experience of using market-based instruments, like carbon taxes or emissions cap and trade programs to try to tackle climate change. I think the book does a really good job of summarizing both a range of scholarship and the kind of real-world experience that we’ve gotten in the few places that have succeeded in implementing carbon pricing

what the Inflation Reduction Act does at its core is focus on making clean energy cheaper. And it does that in two main ways. The first way is with subsidies, right? So there’s a big package of tax credits that does the bulk of the work. But there’s also rebates for low-income households to do energy efficiency and electrification.

We built about 10 gigawatts of utility solar in 2020. The E.I.A. thinks we’ll build about 20 gigawatts this year. So things change, we can grow.

. Beyond wind and solar, what do you see as playing the central or most promising roles here?

if I sort of sum up the whole bill in one nutshell or one tweet, it’s that we’re going to tax billionaire corporations and tax cheats, and use that money to make energy cheaper and cleaner for all Americans, and also to build more of those technologies here in the United States, which we can talk about later

There’s loan programs that can help offer lower cost financing for projects. There’s grants that go out to states, and rural utilities, and others to help install things. And all of that is designed to make the cleaner option the good business decision, the good household financial decision.

the excellent article in “Nature Climate Change” from 2018, called “Sequencing to Ratchet Up Climate Policy Stringency,” which is the lea

So why electricity? Why has electrifying everything become almost synonymous with decarbonization in climate world?

So that it just makes good economic sense. And that clean energy is cheap energy for everybody. That’s with subsidies upfront, but it’s also going to kick off the same kind of innovation and incremental learning by doing in economies of scale that unlock those tremendous cost reductions for solar, and wind, and lithium ion batteries over the last decade

so we have to guide that process in a way that doesn’t recreate some of the harms of the last era of nation building, where we drove interstates right through the middle of Black and brown communities, and they had no say in the process. So that’s the challenge at a high level is like how do you build a national social license and sense of mission or purpose, and how do you guide the deployment of that infrastructure at scale, which doesn’t concentrate harms and spreads benefits amongst the people who really should be benefiting.

By no means is that impossible, but it is a profound construction challenge

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And so we’re going to kick off the same kind of processes as well with this bill, building on the demonstration and hubs funding and things like that in the infrastructure law for the next generation of technologies that can take us even further down the path to net zero beyond 2030.

electricity is a way to power our lives — heat homes, power factories, move cars around — that at least when we use the electricity on that end, doesn’t lead to any CO2, or frankly, any other air pollutants and other combustion-related pollutants that cause public health impacts.

We made it 10 times easier to take action. So for a given amount of political will, we can do 10 times more decarbonization in the power sector and in transportation, which are two most heavily emitting sectors than we could do a decade ag

The reason that these aren’t expensive alternative energy technologies, as we called them in the 2009 era, and are now mainstream affordable options is because we used public policy.

he author is Michael Pahle and a variety of others who said — both economists, political scientists and policy analysts, who again, are trying to face down this reality that current policy ambition is inadequate. We’ve got to go further and faster. And so they’re trying to think about how do you order these policie