Atmospheric science

FILE - In this March 29, 2013, file photo, a worker helps monitor water pumping pressure and temperature, at an oil and natural gas extraction site, outside Rifle, on the Western Slope of Colorado. A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. (AP Photo/Brennan Linsley, File)
June 14, 2019 - 2:09 pm
WASHINGTON (AP) — Once a skeptic about climate change, Jim Bridenstine came around to the prevailing view of scientists before he took over as NASA administrator. That evolution did not sit well with a Trump environmental adviser, nor a think-tank analyst he was consulting, according to newly...
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FILE - In this March 29, 2013, file photo, a worker helps monitor water pumping pressure and temperature, at an oil and natural gas extraction site, outside Rifle, on the Western Slope of Colorado. A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. (AP Photo/Brennan Linsley, File)
June 14, 2019 - 11:39 am
WASHINGTON (AP) — A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. The request from William Happer, a member of the National...
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Activists hold up signs outside the Vatican as Pope Francis meets with oil executives, Friday, June 14, 2019. The meeting marked the second year that Francis has invited oil and financial sector executives to the Vatican to impress upon them his concern that preserving God’s creation is one of the fundamental challenges facing humankind today. (Claudio Peri/ANSA via AP)
June 14, 2019 - 9:18 am
VATICAN CITY (AP) — Pope Francis warned oil executives on Friday that a "radical energy transition" to clean, low-carbon power sources is needed to stave off global warming as he pressed his environmental message in a closed-door Vatican summit. Francis also told industry leaders from the likes of...
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FILE - In this March 29, 2013, file photo, a worker helps monitor water pumping pressure and temperature, at an oil and natural gas extraction site, outside Rifle, on the Western Slope of Colorado. A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. (AP Photo/Brennan Linsley, File)
June 14, 2019 - 8:08 am
WASHINGTON (AP) — A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. The request from William Happer, a member of the National...
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FILE - In this March 29, 2013, file photo, a worker helps monitor water pumping pressure and temperature, at an oil and natural gas extraction site, outside Rifle, on the Western Slope of Colorado. A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. (AP Photo/Brennan Linsley, File)
June 14, 2019 - 5:48 am
WASHINGTON (AP) — A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. The request from William Happer, a member of the National...
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FILE - In this March 29, 2013, file photo, a worker helps monitor water pumping pressure and temperature, at an oil and natural gas extraction site, outside Rifle, on the Western Slope of Colorado. A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. (AP Photo/Brennan Linsley, File)
June 14, 2019 - 4:39 am
WASHINGTON (AP) — A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. The request from William Happer, a member of the National...
Read More
FILE - In this March 29, 2013, file photo, a worker helps monitor water pumping pressure and temperature, at an oil and natural gas extraction site, outside Rifle, on the Western Slope of Colorado. A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. (AP Photo/Brennan Linsley, File)
June 14, 2019 - 3:40 am
WASHINGTON (AP) — A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. The request from William Happer, a member of the National...
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FILE - In this March 29, 2013, file photo, a worker helps monitor water pumping pressure and temperature, at an oil and natural gas extraction site, outside Rifle, on the Western Slope of Colorado. A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. (AP Photo/Brennan Linsley, File)
June 14, 2019 - 12:44 am
WASHINGTON (AP) — A Trump administration national security official is turning to advisers from a climate change-rejecting think tank for help crafting his challenges to mainstream science on global warming. The Environmental Defense Fund obtained the emails of National Security Council adviser...
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Former Colorado Governor John Hickenlooper listens to a question during a media availability at the National Press Club, Thursday, June 13, 2019, in Washington. (AP Photo/Alex Brandon)
June 13, 2019 - 1:34 pm
DENVER (AP) — A carbon tax is part of the climate plan that Democratic presidential candidate John Hickenlooper is backing. He's the latest candidate to outline a plan to combat global warming. Along with the carbon tax, the former Colorado governor would spend $350 billion on green infrastructure...
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FILE-In this Feb. 12, 2014 file photo Bitcoin buttons are displayed on a table at the Inside Bitcoins conference in Berlin. Researchers calculate that the electricity required for the virtual currency bitcoin generates as much carbon dioxide as cities like Las Vegas or Hamburg. (AP Photo/Frank Jordans)
June 13, 2019 - 11:50 am
BERLIN (AP) — The virtual currency bitcoin is responsible for the same amount of carbon dioxide emissions as a city like Las Vegas or Hamburg and efforts to reduce its climate footprint should be considered, researchers said Thursday. A study by researchers at the Technical University of Munich and...
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