Climate
- Earth
Gravity variations foretell flood risk months in advance
Tiny gravitational tugs from saturated river basins allow NASA satellites to forecast flood risk.
- Climate
Meat-eaters’ greenhouse gas emissions are twice as high as vegans’
Meat-eaters dietary GHG emissions are twice as high as those of vegans, a study finds.
- Animals
Emperor penguin population could decline by 2100
Emperor penguins’ reign over Antarctic sea ice could be in decline by the beginning of the 22nd century.
- 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.
