April 7, 2020
ACToday Columbia World Project Enabling Insurance to Reach a Million Farmers in Ethiopia
Affordable insurance against droughts and other climate risks will help to improve food security and protect smallholder farmers.
April 1, 2020
American Robins Now Migrate 12 Days Earlier Than in 1994
A new study, published in Environmental Research Letters, concludes that robin migration is kicking off earlier by about five days each decade.
March 27, 2020
Ozone Treaty Stopped Jet-Stream Drift in Southern Hemisphere
Researchers long ago predicted that the 1987 Montreal Protocol, banning ozone-depleting gases, would reverse a worrisome trend in Southern Hemisphere winds. A new study shows they were right.
March 26, 2020
What Can We Learn From Covid-19 to Help With Climate Change?
As we confront the COVID-19 crisis, can we learn anything that could help us as a country deal with another crisis that is slowly but inexorably coming down the pike—climate change?
March 25, 2020
The Shutdown Is Clearing New York’s Air. Don’t Cheer Too Hard.
Columbia researchers are measuring severe drops in pollutants at the ground level, but warn that the benefits will be short-lived unless we take away some longer-term lessons.