Close Look at a Crack on Larsen C

The rift in Larsen C measures about 100 meters (300 feet) wide and cuts about half a kilometer (one-third of a mile) deep—completely through to the bottom of the ice shelf. While the rift is long and growing longer, it does not yet reach across the entire shelf. When that happens, Larsen C will shed an iceberg about the size of Delaware.

“Resilience area” created for Alaskan natives along Bering Strait

President Obama signed an executive order Friday to create a Northern Bering Sea Climate Resilience Area that will focus “locally tailored” protections on marine resources. The newly created resilience area covers 112,300 square miles and stretches from north of the Bering Strait to north of Bristol Bay.

From Obama’s Top Scientist, Words of Caution on Climate

A physicist by training, John Holdren is the longest-serving presidential science adviser in U.S. history. Holdren spoke to Yale Environment 360 about the difference between “dangerous” and “catastrophic” warming, the incoming Trump administration, and how to talk to people who deny the existence of climate change.