Permafrost takes center stage
The National Snow and Ice Data Center compiles articles and research about chilly topics in the United States.
Early Signs: Reports From a Warming Planet is a joint project of the U.C. Berkeley Graduate School of Journalism, Salon and NPR's "Living on Earth." Our series runs Fridays through May 5 in Salon, and you can find radio versions of each story on "Living on Earth's" Web site. This blog is where it all started.