Climate
- Earth
Wavy jet stream linked with extreme weather
Extreme weather events have been linked with big waves in the jet stream.
- Agriculture
Fertilizer produces far more greenhouse gas than expected
Farmers’ overuse of nitrogen-based fertilizers may explain previously puzzling high emissions of nitrous oxide.
- Environment
Carbon dioxide levels hit landmark in Northern Hemisphere
The Northern Hemisphere experienced the first full month with the greenhouse gas at or above the symbolic 400 parts per million level.
- Climate
Violent storms may shatter sea ice
Tall waves’ effect on sea ice hints at troubled water in the future.
- Climate
Environmental change may spur growth of ‘rock snot’
A controversial new theory suggests alga that forms rock snot isn’t an invader, but a low-key species native to many rivers.
- Climate
Forest fires may speed demise of Greenland’s ice sheet
Black carbon released by burning woodland darkens Greenland’s ice sheet, quickening its melt.
- Climate
Antarctic glacier melt is unstoppable
The inevitable collapse of Antarctic’s western glaciers could raise global sea level by more than 4 meters in coming centuries.
- Climate
Tropics leave trace in Arctic warming
Cooling temperatures in the Pacific may be responsible for the recent rapid warming of northeastern Canada and Greenland.
- Climate
Crop nutrients may drop as carbon dioxide rises
Many staple grains and legumes pack 5 to 10 percent less iron, zinc and protein when grown at carbon dioxide levels expected midcentury.
- Climate
Federal report details climate change in U.S.
The latest National Climate Assessment was released by federal officials May 6.
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- Climate
Glacial microbes gobble methane
While some bacteria produce methane in Greenland’s melting ice sheet, others may consume the greenhouse gas as it escapes.
