The Sahara Desert was once filled with rivers, giant lakes and hippos. Scientists explain why it turns green every 20,000 years

For most people, the Sahara is the ultimate symbol of endless sand, scorching heat and one of the harshest environments on ...
Today In The Space World on MSN

Could Milankovitch cycles trigger extreme weather by 2030?

Milankovitch cycles shape Earth’s climate over vast stretches of time, but can they really explain extreme weather in the near future? This video examines orbital changes, axial tilt, and precession ...
The Washington Post

Donald Trump’s climate policies, explained

Donald Trump has said that human activity is only one cause of climate change and that he doesn’t believe climate change is making extreme weather events worse. We’re collecting Vice President Kamala ...
National Bureau of Economic Research

The Macroeconomic Impact of Climate Change: Global vs. Local Temperature

This paper estimates that the macroeconomic damages from climate change are an order of magnitude larger than previously thought. Exploiting natural global temperature variability, we find that 1°C ...