Air quality

A woman walks across a busy bridge in Belgrade, Serbia, Wednesday, Jan. 15, 2020. Serbia's government on Wednesday called an emergency meeting, as many cities throughout the Balkans have been hit by dangerous levels of air pollution in recent days, prompting residents' anger and government warnings to stay indoors and avoid physical activity. (AP Photo/Darko Vojinovic)
January 15, 2020 - 10:01 am
BELGRADE, Serbia (AP) — Major cities in a series of Balkan countries have been hit by dangerous levels of smog in recent days, prompting anger among residents and official warnings to stay indoors and avoid physical activity. Serbia's government called an urgent meeting to address the problem...
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Rafael Nadal of Spain, left, and Deb Boirg, an Australian firefighter celebrate as they play a game of tennis together during the Rally For Relief at Rod Laver Arena in Melbourne, Wednesday, Jan. 15, 2020. Tennis stars have come together for the Rally for Relief to raise money in aid of the bushfire relief efforts across Australia. (Scott Barbour/AAP Image via AP)
January 15, 2020 - 6:50 am
MELBOURNE, Australia (AP) — A capacity crowd of more than 15,000 at Rod Laver Arena watched Roger Federer defeat Nick Kyrgios in a one-set finale to the Australian Open's Rally for Relief to aid wildfire charities on Wednesday. Tennis Australia said the night helped raise nearly 5 million...
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The RWE Niederaussem lignite-fired power station releases steam, behind two renewable energy producing wind turbines in Bergheim, Germany, Monday, Jan. 13, 2020. Germany plans an entirely coal phase out and to shut down all remaining coal-fired plants by 2038. (AP Photo/Martin Meissner)
January 15, 2020 - 6:13 am
BERLIN (AP) — Nine young climate activists are seeking to join a lawsuit before Germany's top court that aims to force the government to do more to combat global warming. The activists are backed by environmental groups such as Greenpeace who say Germany's current plan to reduce greenhouse gas...
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In this Dec. 31, 2019, photo provided by Siobhan Threlfall, a fire approaches the village of Nerrigundah, Australia. The tiny village has been among the hardest hit by Australia's devastating wildfires, with about two thirds of the homes destroyed and a 71-year-old man killed. (AP Photo/Siobhan Threlfall)
January 15, 2020 - 6:01 am
MELBOURNE, Australia (AP) — Australian Open officials delayed the start of play by two hours Wednesday on the second day of qualifying until smoke from regional wild fires cleared. Smoke and hazy conditions at Melbourne Park on Tuesday affected the opening day's play with organizers criticized for...
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In this Dec. 31, 2019, photo provided by Siobhan Threlfall, a fire approaches the village of Nerrigundah, Australia. The tiny village has been among the hardest hit by Australia's devastating wildfires, with about two thirds of the homes destroyed and a 71-year-old man killed. (AP Photo/Siobhan Threlfall)
January 15, 2020 - 4:05 am
MELBOURNE, Australia (AP) — Australian Open officials delayed the start of play by two hours on the second day of qualifying until smoke from regional wild fires cleared later Wednesday. Smoke and hazy conditions at Melbourne Park on Tuesday affected the opening day's play with organizers...
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In this Dec. 31, 2019, photo provided by Siobhan Threlfall, a fire approaches the village of Nerrigundah, Australia. The tiny village has been among the hardest hit by Australia's devastating wildfires, with about two thirds of the homes destroyed and a 71-year-old man killed. (AP Photo/Siobhan Threlfall)
January 15, 2020 - 2:57 am
MELBOURNE, Australia (AP) — Australian Open officials have delayed the start of play by two hours on the second day of qualifying, hoping that smoke from regional wild fires will clear later Wednesday. Smoke and hazy conditions at Melbourne Park on Tuesday affected the opening day's play with...
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FILE - In this Jan. 2, 2020, file photo, a commuter wears a mask as smoke shrouds the Australian capital of Canberra, Australia. It's an unprecedented dilemma for Australians accustomed to blue skies and sunny days that has raised fears for the long-term health consequences if prolonged exposure to choking smoke becomes the new summer norm. (AP Photo/Mark Baker, File)
January 15, 2020 - 1:00 am
CANBERRA, Australia (AP) — Fire alarms have been sounding in high-rise buildings across downtown Sydney and Melbourne as dense smoke from distant wildfires confuse electronic sensors. Modern government office blocks in the Australian capital Canberra have been closed because the air inside is too...
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FILE - In this Jan. 2, 2020, file photo, a commuter wears a mask as smoke shrouds the Australian capital of Canberra, Australia. It's an unprecedented dilemma for Australians accustomed to blue skies and sunny days that has raised fears for the long-term health consequences if prolonged exposure to choking smoke becomes the new summer norm. (AP Photo/Mark Baker, File)
January 14, 2020 - 10:54 pm
CANBERRA, Australia (AP) — Fire alarms have been sounding in high-rise buildings across downtown Sydney and Melbourne as dense smoke from distant wildfires confuse electronic sensors. Modern government office blocks in the Australian capital Canberra have been closed because the air inside is too...
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FILE - This Dec. 12, 2018, file photo shows traffic on the Hollywood Freeway in Los Angeles. The Trump administration is signaling that it could increase fuel economy standards, possibly compromising on its push to freeze them at 2020 levels. In one of the administration's hardest-fought battles to roll back Obama-era environmental regulations, two federal agencies submitted a final rule on gas mileage and greenhouse gas emissions on Tuesday, Jan. 14, 2020. (AP Photo/Damian Dovarganes, File)
January 14, 2020 - 7:54 pm
DETROIT (AP) — The Trump administration is signaling that it could increase fuel economy standards, possibly compromising on its push to freeze them at 2020 levels. In one of the administration's hardest-fought battles to roll back Obama-era environmental regulations, two federal agencies submitted...
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January 14, 2020 - 7:14 pm
DETROIT (AP) — The Trump administration is signaling that it could increase fuel economy standards, possibly compromising on its push to freeze them at 2020 levels. In one of the administration's hardest-fought battles to roll back Obama-era environmental regulations, two federal agencies submitted...
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