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In general, outdoor exercise, with or without a mask, seems to be safe, according to most experts.

“I think relatively little Covid-19 transmission would occur outdoors, except perhaps in large crowds,”

the senior author of a study published in Nature this month that looked at breathing, viral shedding and masks.

New York will allow outdoor dining during phase two of reopening, Governor Andrew Cuomo announced on Wednesday, with restaurants in seven of 10 regions given the green light beginning on Thursday.

Cuomo also criticized U.S. President Donald Trump for a staged photo holding a Bible in front of a church near the White House, a visit made possible after protesters were cleared with rubber bullets and tear gas.

Under the plan to restart economic activity shut during coronavirus pandemic lockdowns, restaurants and food services are not set to reopen fully until phase three. The hospitality industry and some lawmakers have been pushing to allow outdoor dining to help struggling businesses.

In a new informal survey of 700 epidemiologists by The New York Times, half said they would not change their personal behavior until at least 70 percent of the population was vaccinated. Thirty percent said they would make some changes once they were vaccinated themselves.

A minority of the epidemiologists said that if highly effective vaccines were widely distributed, it would be safe for Americans to begin living more freely this summer: “I am optimistic that the encouraging vaccine results mean we’ll be back on track by or during summer 2021,

But most said that even with vaccines, it would probably take a year or more for many activities to safely restart, and that some parts of their lives may never return to the way they were.

Beijing's city government issued its first red alert for pollution on Monday, ordering schools to close, halting outdoor construction and restricting car use due to hazardous air quality.

severe pollution will cover the Chinese capital, starting Tuesday local time and lasting for more than three days.

extra measures will be enforced, including closing schools, restricting car use by odd-even licensing, halting outdoor construction and other polluting industrial activity, and banning fireworks and outdoor barbecues.

Hogan, a Republican, said that the state plans to follow the federal guidelines issued by President Donald Trump last week, which call for states to meet specific metrics before considering lifting restrictions, including a 14-day downward trend in key numbers. He warned that the state has not yet hit its peak for coronavirus cases and deaths,.

The Democrat explained that phase one of reopening will require downward trends in new cases and hospitalizations for 14 days, increased testing and contact tracing and a sustainable supply of hospital beds and personal protective equipment. The specifics for the second and third phases have not yet been unveiled.

The first stage would begin by lifting the state's stay-at-home order. It would include reopening many small businesses, including certain retail shops and golf courses, and restarting many lower-risk community activities, like recreational boating and fishing, tennis and outdoor religious activities, along with outdoor fitness and gym classes. It would also include the resumption of elective outpatient surgeries and procedures in certain counties with lower concentrations of cases.

Just as tens of thousands of revelers were dreaming of dancing the night away in Miami Beach on Saturday, the city abruptly declared a state of emergency. Local officials shut down traffic on the causeways leading into the beach mecca, ordered outdoor restaurants to suspend outdoor dining starting at 7 p.m. and banned strolling on the city's iconic Ocean Drive after 8 p.m. The announcement came after cheap flights, discounted hotel rooms and new rules rolling back state-mandated COVID-19 restrictions led to a surge of visitors into Miami Beach and other Florida hot spots just as U.S. colleges pause for spring break.

In another disruption to the national rites of spring, the pandemic blew out some March Madness brackets over the weekend. In the NCAA men's basketball tournament, a surreal score line of 1-0 popped up on tracking apps for the game between Virginia Commonwealth University and the University of Oregon. VCU was forced to pull out of the event after reporting multiple positive coronavirus tests.

As in much of the U.S., COVID-19 numbers in Florida have dropped from a peak in January, but that previous nationwide surge followed soon after the Christmas and New Year's holidays. Public health officials are now warning that gatherings for spring break and the upcoming Easter holiday could again amplify coronavirus transmission as pandemic fatigue prompts people to let their guard down.

It has been more than two months since Kamala Harris was sworn in as vice president of the United States, a historic moment for the country, as Harris is the first woman and the first woman of color to hold the second highest office in the land. Yet, Harris -- along with her husband, Georgetown Law professor Douglas Emhoff -- is still, ostensibly, living out of suitcases, unable to move into the private residence reserved for the vice president because it's still undergoing renovations.

It's unclear why the renovations are taking so long, said one administration official, but it's a situation that has left Harris increasingly and understandably bothered, according to several people who spoke to CNN about her situation. "She is getting frustrated," said another administration official, noting with each passing day the desire to move in to her designated house -- a stately, turreted mansion two-and-a-half miles from the White House -- grows more intense.

CNN has looked at various government contracts, awarded for myriad issues at the vice president's residence over the last few years, many of which detail intensive foundational work. From recently wrapped projects on a retention pond to a replaced tank system for $164,000 from last September, repairs and upkeep appear constant. There's also an ongoing $3.8 million contract for "plumbing, heating and air-conditioning contractors," according to the contract on the United States government spending website.

The Centers for Disease Control and Prevention says that fully vaccinated adults can safely resume activities indoors or outdoors without masks or distancing, in gatherings large or small. The announcement marks a major milestone in the effort to emerge from the coronavirus pandemic in the United States.

The new policy is based on recent real-world studies from Israel and the U.S. on people who've been vaccinated, she said.

However, under the new guidance fully vaccinated people can resume domestic travel without needing to get tested before or after, and they do not need to self-quarantine. They also do not need to quarantine following a known exposure so long as they are asymptomatic.

Top White House adviser Anita Dunn Sunday defended President Joe Biden over his continued use of a mask outdoors – even though the practice appears to conflict with new and relaxed administration guidelines for fully vaccinated citizens.

The Republican National Committee, for instance, blasted Biden for “breaking” US Centers for Disease Control and Prevention guidance, and the issue has become one of the latest culture war flashpoints for right-wing talk show hosts.

Republicans are seizing on the controversy over masks to bolster their wider narrative that Biden and Democrats are too politically correct and using the power of government to infringe on the freedoms of Americans – a conceit that works for them on taxes to guns and public health to climate change.

On Tuesday, the US Centers for Disease Control and Prevention released new guidance on mask-wearing. While the guidelines cover a variety of scenarios, there are two key changes. First, it is now perfectly safe to be unmasked outdoors, regardless of vaccination status, if you are with members of your household or attending a small gathering where everyone else is fully vaccinated. Second, and more importantly, these new guidelines reaffirm that people who are fully vaccinated can safely go unmasked in almost any outdoor scenario -- the exception being crowded events like live performances or parades. The guidance for everything else (including recommendations to continue wearing masks indoors) has essentially stayed the same.

I will tell you what I have told each of my friends and colleagues: These recommendations are scientifically sound, absolutely safe and unsurprising to those of us in public health. They accord not only with the latest research, but also with the guidance being followed by the rest of the world.

The vaccines that are approved in the United States work amazingly well. If you're fully vaccinated, and you're around other vaccinated people, the chance of being infected with the SARS-CoV-2 virus is almost nil. This is why the CDC's new recommendations are more relaxed for people who are fully vaccinated than for those who aren't. I can't emphasize this strongly enough: These vaccines are our ticket to normality.

Wearing a face mask will continue to be a requirement at airports, aboard commercial flights and on other public transportation across the country through the summer.

The federal mask mandate, which was set to expire on May 11, will remain in effect through Sept. 13, according to updated guidance issued by the Transportation Security Administration on Friday.

The rule, which also applies to buses and rail systems, was first put in place by President Biden shortly after he took office in January.

It’s not common to contract Covid-19 from a contaminated surface, scientists say. And fleeting encounters with people outdoors are unlikely to spread the coronavirus.

Instead, the major culprit is close-up, person-to-person interactions for extended periods. Crowded events, poorly ventilated areas and places where people are talking loudly—or singing, in one famous case—maximize the risk.

“We should not be thinking of a lockdown, but of ways to increase physical distance,” said Tom Frieden, chief executive of Resolve to Save Lives, a nonprofit public-health initiative. “This can include allowing outside activities, allowing walking or cycling to an office with people all physically distant, curbside pickup from stores, and other innovative methods that can facilitate resumption of economic activity without a rekindling of the outbreak.”

The coronavirus can stay aloft for hours in tiny droplets in stagnant air, infecting people as they inhale, mounting scientific evidence suggests.

This risk is highest in crowded indoor spaces with poor ventilation

Aerosols are released even when a person without symptoms exhales, talks or sings, according to Dr. Marr and more than 200 other experts, who have outlined the evidence in an open letter to the World Health Organization.

because life on permanent lockdown isn’t sustainable, public health experts are beginning to embrace a “harm reduction” approach, giving people alternatives to strict quarantine. These options — like forming a “bubble” with another household or moving social activities outdoors — don’t eliminate risk, but they minimize it as people try to return to daily life.

1. Check the health of your state and community

pay attention to two important indicators of Covid-19 in your area: the percentage of tests that are positive, and the trend in overall case rates.

On Wednesday, the Spanish Health Ministry reported that the 14-day incidence rate had fallen 20 points to 3,286 per 100,000. This is the second day in a row that this data point has dropped after two months on the rise.

What’s more, while hospitals remain under strain, the situation is far from what it was during other waves.

In response to the surge in coronavirus infections in the leadup to Christmas, the Spanish government announced on December 23 that face masks would once again be mandatory outdoors. At the time, Darias said this measure would be in place “until the epidemiological situation improved.”

1. Floods and disease

As life becomes less tolerable for humans, animals and plants, things will get easier for disease-causing organisms. More than half of all known diseases have been made worse by the climate crisis

A warming world makes outbreaks of water-borne diseases such as cholera, dysentery, hepatitis A, typhoid and polio more likely.

Painting black tar roofs with a white, solar-reflective coating is a low cost, quick and tangible way to reduce the risk of power grid ‘brown-outs’, save millions of dollars in energy costs, and curb climate change. The statistics are as simple as they are staggering: A roof covered with solar-reflective white paint reflects up to 90% of sunlight as opposed to the 20% reflected by a traditional black roof. On a 90°F day, a black roof can be up to 180°F. That heat has a major impact on interior building temperature, potentially heating your room to between 115 – 125°F. A white roof stays a cool 100°F. Plus the inside of the building stays cooler than the air outdoors, around 80°F in this example, reducing cooling costs.

White roofs also reduce the “urban heat island” effect in which temperatures rise in dense urban areas because of the proliferation of heat-radiating, black tar surfaces. For example, the Urban Heat Island effect causes New York City to be about 5 degrees warmer than surrounding suburbs and accounts for 5 to 10 percent of summer electricity use.

Volunteers saw that all it takes is a paint roller, some solar-reflective white coating and a little hard work to start curbing climate change.

The government of President Viktor F. Yanukovych announced a tentative resolution on Friday to a crisis that has brought days of bloodshed to Ukraine. The agreement, which has yet to be signed, was announced after all-night talks with opposition leaders, Russian representatives and the foreign ministers of Germany, Poland and France.

Any deal that does not include the president’s departure, however, is unlikely to get very far with protesters and it was uncertain whether, in the event of a final deal, the protest movement’s political leadership could deliver the support of an angry base comprising many different groups and factions.

revious settlements and truces have broken down several times, though those previous deals were not reached with the high-level involvement of European Union and Russian mediators, as was the case in the overnight talks Friday. The statement from Mr. Yanukovych’s office said the talks had been “very difficu

School was canceled, traffic was nearly paralyzed and the airport was shut down in the northeast Chinese city of Harbin on Monday as off-the-charts pollution dropped visibility to less than 10 meters in parts of the provincial capital.

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

“You can’t see your own fingers in front of you,”

The issue at hand was—and still is—the city’s nine elite public high schools. Like most public high schools in the city, these schools can choose who attends. But the elite schools are their own animal: Whereas other schools look at a range of criteria to determine students’ eligibility, eight of these nine elite institutions admit applicants based exclusively on how the students score on a rigorous, two-and-a-half-hour-long standardized test.

The test-only admissions policy is touted by supporters as a tactic that promotes fairness and offers the best way to identify the city’s most gifted students. But the complaint, which is still pending, tells a different story—one of modern-day segregation, in which poor kids of color are getting left behind.

Public schools in cities across the country—schools intended to break down the walls typical of expensive, elite private institutions by opening up access to stimulating, quality education for kids of all means—are closed in their admissions. In other words, kids aren’t just automatically enrolled because they live in the neighborhood—they have to apply to get in