A study finds that ozone-depleting substances caused about a third of all global warming from 1955 to 2005, and half of Arctic warming and sea ice loss during that period.
Climate Policy Archives - State of the Planet
For about 10 years, environmental law professor Karl Coplan has been trying to winnow down his direct footprint of CO2 emissions. He has been successful, and has just published a book chronicling his efforts.
Dozens of Earth Institute staff and students took part in New York City’s Climate Strike march.
Researchers warn that world leaders are being misled by economic assessments of future climate-change impacts.
I often say that the human species is ingenious and not suicidal. This would be a good time for America to demonstrate that instinct for survival and pragmatic invention.
The New York City Panel on Climate Change reports that extreme weather is becoming more frequent, longer lasting and more intense. How is the city dealing with the impacts of climate change?
Depressing news and turbulent politics can leave many of us discouraged, but it’s not all doom and gloom; Earth Institute experts weigh in on what gives them hope.
At a Town Hall with students, the alum and former congressman stressed the importance of storytelling and bipartisan cooperation to develop climate solutions.
The American Geophysical Union fall meeting takes place Dec. 10-14 in Washington, D.C. Here is a guide to key talks and other events from Columbia’s Earth Institute.