Climate Archives - State of the Planet

Team Deciphers Sea-Level Rise From Last Time Earth’s CO2 Was as High as Today

In a coastal cave off Spain, scientists have found evidence showing that more than 3 million years ago, when temperatures were similar to those projected for the end of this century, sea levels were as much as 16 meters higher than they are now.

by |August 30, 2019

Longer Summer Stretches of Drought, Extreme Heat and Flooding Expected in a Warming World, Study Says

The changes could affect health, agriculture and ecosystems, the study suggests.

by |August 19, 2019

Scientists Link Climate Change to Melting in West Antarctica

A new study shows, for the first time, evidence of a link between human-caused global warming and melting of the West Antarctic Ice Sheet.

by |August 12, 2019

More Intense Non-Tropical Storms Causing Increased Rainfall in U.S. Southeast

In the Southeastern United States, the increasing amount of rain during hurricane season is coming not from hurricanes but from non-tropical storms created by weather fronts, new research finds.

by |August 7, 2019

Toward a Pragmatic Climate Policy

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.

by |August 5, 2019

The Climate Epochs That Weren’t

Climate scientists often invoke the Medieval Warm Period and the Little Ice Age as natural worldwide climate swings predating human influences. They may not have worked the way we think.

by |July 24, 2019

How Did Africa’s Grasslands Get Started?

Millions of years ago, vegetation across much of the world underwent a transformation as grasses with a new way of doing photosynthesis displaced previously dominant plants, shrubs and trees. A new study examines what got these plants started, and why they spread so far and wide.

by |July 22, 2019

Study Bolsters Case That Climate Change Is Driving Many California Wildfires

A new study combs through the factors that can promote wildfires in California, and concludes that in many cases, warming climate is the decisive driver.

by |July 15, 2019

Meet the Students Studying Environmental Issues in the Middle East in 2019

This July, Columbia University and Tel Aviv University will send graduate students to the Middle East to learn about the environmental challenges facing communities in Jordan and Israel.

by |July 9, 2019

Part of the Pacific Ocean Is Not Warming as Expected. Why?

Climate models predict that as a result of human-induced climate change, the surface of the Pacific Ocean should be warming. But one key part is not.

by |June 24, 2019