Earth
- Ecosystems
Deep-sea trawling threatens oceans’ health
Dragging large nets along the seafloor to catch fish cuts organic matter and biodiversity in half and may threaten all of the world's underwater ecosystems.
- 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.
- Health & Medicine
Feedback
Readers question pertussis vaccination scheduling, share stories about earthquakes and more.
- Environment
Fukushima contamination affects butterfly larvae
Butterfly larvae fed leaves with radioactive cesium from the Fukushima nuclear disaster had a higher rate of death and development abnormalities than larvae that got leaves from a location farther from the accident.
- Earth
Tiny earthquakes may follow groundwater loss
Draining California’s aquifers may stress San Andreas Fault, triggering earthquakes and forcing mountains to rise.
- Oceans
Deepwater Horizon methane lingered longer than thought
Microbes may not have consumed methane from the 2010 Deepwater Horizon oil spill as fast as previously thought.
- 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.
- Environment
BP oil spill may have killed hundreds of thousands of birds
The 2010 Deepwater Horizon oil spill may have killed 600,000 to 800,000 coastal birds, new simulations suggest.
- 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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