Air pollution

French President Emmanuel Macron speaks during the Climate Action Summit 2019 at the 74th session of the United Nations General Assembly, at U.N. headquarters, Monday, Sept. 23, 2019. Emir of Qatar, Sheikh Tamim bin Hamad Al Thani is center and Jamaica Prime Minister Andrew Holness is right. (AP Photo/Craig Ruttle)
September 23, 2019 - 12:20 pm
UNITED NATIONS (AP) — The Latest on the Climate Action Summit taking place at the United Nations (all times local): 12:05 p.m. While presidents and premiers talked about what they hoped to do within their own borders, French President Emmanuel Macron reminded his colleagues that they need to...
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FILE - Jan. 13, 2018 file photo, U.N. Secretary-General Antonio Guterres talks to the media during a join declaration with the Colombian president, in Bogota, Colombia. Saying humanity is waging war with the planet, the head of the United Nations isn’t planning to let just any world leader speak about climate change in Monday’s special “action summit.” Guterres says only those with new specific and bold plans can command the podium and the ever-warming world’s attention. (AP Photo/Fernando Vergara, File)
September 22, 2019 - 3:51 pm
UNITED NATIONS (AP) — Saying humanity is waging war with the planet, the head of the United Nations isn't planning to let just any world leader speak about climate change at Monday's special "action summit." Only those with new, specific and bold plans can command the podium and the ever-warming...
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FILE - Jan. 13, 2018 file photo, U.N. Secretary-General Antonio Guterres talks to the media during a join declaration with the Colombian president, in Bogota, Colombia. Saying humanity is waging war with the planet, the head of the United Nations isn’t planning to let just any world leader speak about climate change in Monday’s special “action summit.” Guterres says only those with new specific and bold plans can command the podium and the ever-warming world’s attention. (AP Photo/Fernando Vergara, File)
September 22, 2019 - 10:52 am
UNITED NATIONS (AP) — Saying humanity is waging war with the planet, the head of the United Nations isn't planning to let just any world leader speak about climate change at Monday's special "action summit." Only those with new, specific and bold plans can command the podium and the ever-warming...
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FILE - Jan. 13, 2018 file photo, U.N. Secretary-General Antonio Guterres talks to the media during a join declaration with the Colombian president, in Bogota, Colombia. Saying humanity is waging war with the planet, the head of the United Nations isn’t planning to let just any world leader speak about climate change in Monday’s special “action summit.” Guterres says only those with new specific and bold plans can command the podium and the ever-warming world’s attention. (AP Photo/Fernando Vergara, File)
September 22, 2019 - 10:07 am
UNITED NATIONS (AP) — Saying humanity is waging war with the planet, the head of the United Nations isn't planning to let just any world leader speak about climate change at Monday's special "action summit." Only those with new, specific and bold plans can command the podium and the ever-warming...
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Actress and activist Jane Fonda speaks to a crowd of protestors during a global climate rally at Pershing Square in downtown Los Angeles on Friday, Sept. 20, 2019. A wave of climate change protests swept across the globe Friday, with hundreds of thousands of young people sending a message to leaders headed for a U.N. summit: The warming world can't wait for action. (AP Photo/David Swanson)
September 20, 2019 - 8:54 pm
NEW YORK (AP) — The Latest on the global climate protests being held in cities around the world (all times local): 8:25 p.m. In downtown Los Angeles, hundreds of people, many of them schoolchildren, marched to City Hall for a rally. Some wore yellow T-shirts urging "Say no to fossil fuels." Protest...
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People march through the Financial District during a climate strike protest, Friday, Sept. 20, 2019, in San Francisco. A wave of climate change protests swept across the globe Friday, with hundreds of thousands of young people sending a message to leaders headed for a U.N. summit: The warming world can't wait for action. (AP Photo/Eric Risberg)
September 20, 2019 - 8:06 pm
NEW YORK (AP) — The Latest on the global climate protests being held in cities around the world (all times local): 8:05 p.m. Thousands of people young and old are urging action on climate change with protests throughout the San Francisco Bay Area, including in San Francisco, Berkeley and San Jose...
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Swedish teenage climate activist Greta Thunberg arrives to the podium to speak as she takes part during the Climate Strike, Friday, Sept. 20, 2019 in New York. Tens of thousands of protesters joined rallies on Friday as a day of worldwide demonstrations calling for action against climate change began ahead of a U.N. summit in New York. (AP Photo/Eduardo Munoz Alvarez)
September 20, 2019 - 7:51 pm
NEW YORK (AP) — Young people afraid for their futures protested around the globe Friday to implore leaders to tackle climate change, turning out by the hundreds of thousands to insist that the warming world can't wait any longer. Marches, rallies and demonstrations were held from Canberra to Kabul...
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One student leads others to an exit past the translucent red walls of Seattle City Hall, where other student climate activists are seen protesting outside during a climate strike Friday, Sept. 20, 2019. Across the globe, hundreds of thousands of people took the streets Friday to demand that leaders tackle climate change in the run-up to a U.N. summit. Many were children who skipped school to take part in the second "Global Climate Strike," following a similar event in March that drew large crowds. (AP Photo/Elaine Thompson)
September 20, 2019 - 7:45 pm
NEW YORK (AP) — The Latest on the global climate protests being held in cities around the world (all times local): 7:45 p.m. Weeks after Brazil drew global concern over a spike in fires in the Amazon rainforest, around 200 people gathered for the climate strike in downtown Rio de Janeiro. Small...
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Swedish teenage climate activist Greta Thunberg speaks as she takes part during the Climate Strike, Friday, Sept. 20, 2019 in New York. Tens of thousands of protesters joined rallies on Friday as a day of worldwide demonstrations calling for action against climate change began ahead of a U.N. summit in New York. (AP Photo/Eduardo Munoz Alvarez)
September 20, 2019 - 5:48 pm
NEW YORK (AP) — Young people afraid for their futures protested around the globe Friday to implore leaders to tackle climate change, turning out by the hundreds of thousands to insist that the warming world can't wait for action. Marches, rallies and demonstrations were held from Canberra to Kabul...
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FILE - In this Sept. 18, 2019 file photo California Attorney General Xavier Becerra, right, flanked by Gov. Gavin Newsom, discusses the Trump administration's pledge to revoke California's authority to set vehicle emissions standards that are different than the federal standards, during a news conference in Sacramento, Calif. Twenty-three states have sued to stop the Trump administration from revoking California's authority to set emission standards for cars and trucks. Becerra is leading the lawsuit filed Friday, Sept. 20 along with Newsom and the California Air Resources Board. (AP Photo/Rich Pedroncelli,File)
September 20, 2019 - 5:28 pm
SACRAMENTO, Calif. (AP) — California sued Friday to stop the Trump administration from revoking its authority to set greenhouse gas emission and fuel economy standards for cars and trucks, enlisting help from 22 other states in a battle that will shape a key component of the nation's climate policy...
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