Unusually Clear Skies Drove Record Loss of Greenland Ice in 2019
The study identifies unprecedented atmospheric conditions behind devastating summer and suggests climate models may greatly underestimate future melting.
Precipitation Will Be Essential for Plants to Counteract Global Warming
The study is the first to demonstrate that the balance between soil water and energy input into an ecosystem determines whether its plant growth is limited by precipitation or by temperature.
Examining How Early Humans Responded to Climate Change
Kevin Uno, a Columbia paleoclimatologist, studies how abrupt changes in climate affected Neolithic human settlement, diet, and abandonment in northwest Africa.
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.
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.