Fossils from La Brea Tar Pits in Southern California suggest that sabertooth cats and other large North American mammals disappeared as a result of wildfires spurred by human activity.
Tag: Science (Journal)
From an Ancient Soil Sample, Clues to An Ice Sheet’s Future
A rediscovered sample of frozen sediment, collected more than 50 years ago, highlights the vulnerability of Greenland’s ice sheet to a warming climate.
Biden’s ‘Justice40’ Program Won’t Fix Racial Gap in Air Quality, Study Finds
The White House aimed for a race-neutral environmental justice strategy, but a new analysis questions whether the program can actually achieve its goals.
Arctic Squirrels Have a Climate Change Problem
Climate change appears to be disrupting the hibernation of females in the Far North, scientists say, and that could affect mating season.
One Step Closer to a Universal Flu Vaccine?
Scientists have tested in animals a vaccine that may protect against 20 strains of influenza, helping to prevent another pandemic.
A Warming Siberia, Wracked by Wildfires, Nears a Crucial Threshold
Nearly 23 million acres burned from 1982 to 2020. But almost half of that occurred in 2019 and 2020, and the region may be near a threshold beyond which extreme fires become more common.
Gas Flares Might Release More Methane Than Thought, Study Finds
Flaring, meant to burn off the planet-warming gas at industrial sites, doesn’t always work as intended, according to researchers.
Failure to Slow Warming Will Set Off Climate ‘Tipping Points,’ Scientists Say
As global warming passes certain limits, dire changes will probably become irreversible, the researchers said, including the loss of polar ice sheets and the death of coral reefs.
Failure to Slow Warming Will Set Off Climate ‘Tipping Points,’ Scientists Say
As global warming passes certain limits, dire changes will probably become irreversible, the researchers said, including the loss of polar ice sheets and the death of coral reefs.
Scientists Boost Soy Crops Through Improved Photosynthesis
Researchers increased yield in soy plants by making them better at photosynthesis, the process that powers life. The findings hold promise for feeding a warming world.