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Increasingly common in Europe, municipal "waste-to-energy" incinerators are being touted as a green trash-disposal alternative. But critics contend that these large-scale incinerators tend to discourage recycling and lead to greater waste.

China is building ecocities in droves. Dozens of these green-branded, new frontiers of urbanism are already in an advanced state of development, and upwards of 200 more are on the way. In fact, over 80 per cent of all prefecture level cities in the country (the administrative division below "province") have at least one ecocity project in the works. Over the coming decades, it has been estimated, 50 per cent of China's new urban developments will be stamped with labels such as "eco," "green," "low carbon," or "smart".

Equinix announced plans to install on-site fuel cells, with a total capacity of more than 37MW, at 12 of its data centers across the United States, marking what the company claims is the largest deployment of fuel cells in the colocation data center industry to date. The fuel cells are projected to avoid 660,000 tons of carbon emissions and save 87 billion gallons of water over the course of 15 years.

As an ever-expanding group of U.S. businesses commit to using more renewable energy to power their operations, a new study has found that for many companies, cost savings is the single most important reason for doing so. This is according to results of the first major survey of large electricity users since President Donald Trump announced his decision to pull the U.S. out of the 2015 Paris climate agreement, conducted by SED Research. The Sept. 13 report, "Post-Paris: the State of Corporate Renewable Energy Sourcing," analyzes responses from executives at 94 companies and institutions, more than 40 of which are in the Fortune 500.

National Geographic is dedicating its television programming to climate change topics for an entire week beginning October 30, in 171 countries and 45 languages. The programming will include the second season premiere of climate change series "Years of Living Dangerously," which explores a range of climate change topics through the eyes of celebrity correspondents. In addition, National Geographic's week of programming will feature Leonardo DiCaprio's new climate change documentary "Before the Flood."

Communities on the frontlines of fossil fuel development are taking a stand against dangerous fossil fuel projects. Take a look at the big fight in the small town of Kalama, Washington. The Chinese government is planning to build the world's largest methanol refinery to convert fracked natural gas to liquid methanol for export to China to make plastics. From a greenhouse gas perspective, this fight is a big deal. The methanol refinery alone would use more natural gas than all industry in Washington combined. Flip it around: If we win this one battle and stop the methanol refinery, we stop the equivalent of doubling industrial natural gas usage in Washington State. While the gas industry tries to spin natural gas as clean, new science shows just the opposite. The bulk of natural gas is methane, a potent greenhouse gas. Methane leakage from gas wells and pipelines led scientists to conclude that fracked gas can be as bad coal for our climate. And it gets worse. Gas production in North America relies heavily on fracking, a process famous for polluting air and water, endangering the health of nearby residents.

Since Google declared its 100 percent commitment to renewables back in 2012, it has signed contracts that will help add almost 2.6 gigawatts of wind- and solar-generated electricity to the grid by the time all the projects are completely. While each of those installations has its own timetable for completion, at least 900 megawatts of those projects should come online within the next four to six weeks alone, according to one of Google's energy strategy executives. Over the course of next year, all the clean power that Google is adding to the grid will offset what it's using in aggregate. And moving forward, Google wants to ensure that more of the electricity it actually uses can be traced to renewable generating sources.

Agribusiness giant Olam International has for the first time published a list of the firms it buys palm oil from, part of the company's response to allegations that it is driving forest destruction in Southeast Asia and, more dangerously, perhaps, in West Africa. Almost all of the world's palm oil comes from Indonesia and Malaysia, but as those countries run out of available land, companies like Olam are turning to Africa to expand. In defending itself against the NGOs' allegations, Olam points to the "right to develop" of nations like Gabon, where a third of people live below the poverty line and a fifth are unemployed.

Global trade has made it easier to buy things. But our consumption habits often fuel threats to biodiversity - such as deforestation, overhunting and overfishing - thousands of miles away. Now, scientists have mapped how major consuming countries drive threats to endangered species elsewhere. Such maps could be useful for finding the most efficient ways to protect critical areas important for biodiversity, the researchers suggest in a new study published in Nature Ecology & Evolution. For example, the maps show that commodities used in the United States and the European Union exert several threats on marine species in Southeast Asia, mainly due to overfishing, pollution and aquaculture. The U.S. also exerts pressure on hotspots off the Caribbean coast of Costa Rica and Nicaragua, and at the mouth of the Orinoco around Trinidad and Tobago. European Union's impacts extend to the islands around Madagascar: Réunion, Mauritius and the Seychelles. The maps also revealed some unexpected linkages. For instance, the impact of U.S. consumption in Brazil appears to be much greater in southern Brazil (in the Brazilian Highlands where agriculture and grazing are extensive) than inside the Amazon basin, which receives a larger chunk of the attention. The U.S. also has high biodiversity footprint in southern Spain and Portugal, due to their impacts on threatened fish and bird species. These countries are rarely perceived as threat hotspots.

China's 13th Five-Year-Plan on Energy Development (Energy 13FYP) might be one of the most anticipated energy blueprints in the world for its far-reaching implications for the carbon trajectory of the planet's largest emitter. On Jan 5, 2017, the National Energy Administration finally unveiled the plan to reporters, with a set of 2020 targets covering everything from total energy consumption to installed wind energy capacity. Before we delve into details of the plan, one thing is worth noting: with the Energy 13FYP, China might have once again raised ambitions for its low-carbon future, highlighting the urgency that this smog-ridden country attaches to moving away from fossil fuels. This time round, policymakers seem even more determined to squeeze out coal's share in the country's energy mix, lowering its 2020 percentage in primary energy consumption from 62% to 58%. The country is also aiming higher for renewables: installed capacity of wind energy and solar energy should reach "more than 210GW" and "more than 110GW", respectively, by 2020; higher than what was declared at the end of 2014.

"Climate Take Back," as the new mission has been named, is the successor to Mission Zero, the name given to a vision articulated in 1997 that, for most outside the company, seemed audacious at the time: "To be the first company that, by its deeds, shows the entire industrial world what sustainability is in all its dimensions: People, process, product, place and profits - by 2020 - and in doing so we will become restorative through the power of influence."

IKEA, the world's leading home furnishings retailer, today announced it had officially plugged-in Kansas' largest rooftop solar array, atop the recently opened IKEA Merriam. The 92,000-square-foot solar array consists of a 730.17-kW DC system, comprised of 2,394 panels, and will produce approximately 986,800 kWh of electricity annually for the store, the equivalent of reducing 680 tons of carbon dioxide (CO2) - equal to the emissions of 143 cars or providing electricity for 94 homes yearly (calculating clean energy equivalents at www.epa.gov/cleanenergy/energy-resources/calculator.html).

GE and Siemens have become two of the top wind energy developers in the US, writes analyst Scott Levine. GE turbines accounted for about 60% of the installed wind capacity added in the US last year, and in the first half of 2015, GE secured orders for more than 1,264 turbines. Last year, Siemens added 1,241 MW of installed capacity, or more than a quarter of the US market. Siemens and GE will likely continue to be key players in the US as the cost of wind continues to decline, Levine writes

On July 20th, James Hansen, the former NASA climatologist who brought climate change to the public's attention in the summer of 1988, issued a bombshell: He and a team of climate scientists had identified a newly important feedback mechanism off the coast of Antarctica that suggests mean sea levels could rise 10 times faster than previously predicted: 10 feet by 2065. The authors included this chilling warning: If emissions aren't cut, "We conclude that multi-meter sea-level rise would become practically unavoidable. Social disruption and economic consequences of such large sea-level rise could be devastating. It is not difficult to imagine that conflicts arising from forced migrations and economic collapse might make the planet ungovernable, threatening the fabric of civilization."

IKEA Group is considering internal carbon pricing as a way to tackle emissions and build a "new and better" company, says CEO Peter Agnefjall. "We see sustainability as a driver of building a new and better IKEA," Agnefjall says. "It is a driver of a renewal of our business, renewal of our products and a driver of innovation of all kinds."

"Non-GMO" is one of the fastest-growing label trends on U.S. food packages, with sales of such items growing 28% last year to about $3 billion, according to market-research firm Nielsen. In a poll of nearly 1,200 U.S. consumers for The Wall Street Journal, Nielsen found that 61% of consumers had heard of GMOs and nearly half of those people said they avoid eating them. The biggest reason was because it "doesn't sound like something I should eat."

Kudzu, the invasive plant spreading across the southern U.S. at a rate of more than 120,000 acres a year, is drawing huge amounts of carbon out of the soil as it grows, researchers say. Kudzu-infested forests give up as much as a third of their soil-sequestered carbon, totaling up to 4.8 million tons of carbon a year

The Christmas gifts have been delivered, and Secret Santa is done. Now, the work begins for Optoro, a start-up company that aims to reduce the financial and environmental costs of another great holiday tradition: returns. Little known to shoppers, however, is that a majority of returned items never make it back to retailers' shelves. Instead, the items wind their way through liquidators, wholesalers and resellers, many of the purchases ending up in landfills. According to some estimates, as much as two million tons of returned items - most of it undamaged merchandise - are thrown away each year, enough to fill over 200,000 garbage trucks.

On Tuesday at COP21, the MIT Climate CoLab announced the launch of a series of online contests to help strengthen the resilience of vulnerable countries to respond to climate-related hazards. The suite of contests are part of the UN Secretary-General's Climate Resilience Initiative: Anticipate, Absorb, Reshape (A2R), a global, multi-stakeholder initiative aimed at accelerating action on the ground to enhance climate resilience of the most vulnerable countries and people by 2020.