In a commencement speech at the U.S. Coast Guard Academy today, President Obama said “climate change constitutes a serious threat to global security, an immediate risk to our national security, and, make no mistake, it will impact how our military defends our country.”

Hundreds of Yemenis have been killed since Houthi rebels overthrew President Abdu Rabu Mansour Hadi at the beginning of April. The instability next door has led Saudi Arabia to intervene with a bombing campaign and, most recently, impose a blockade of Yemen’s port cities to cut off what they claim is Iranian resupply of rebels. Besides blocking weapons though, the blockade is also having a major impact on food security and food assistance, and is even affecting livelihoods in Somalia.

Investigative journalists reported earlier this month that top appointees at Florida’s Department of Environmental Protection and other state agencies ordered employees not to use the terms “climate change” or “global warming” in official communications. Politically coded euphemisms such as “climate drivers” and “climate variability” were to be used instead. “Sea-level rise” was to be replaced with “nuisance flooding.” The news swiftly went viral, with commentators noting the irony of such censorship occurring in Florida – essentially ground zero for climate change in the Global North.

BANGWEULU WETLANDS, Zambia – Out here on the endless swamps, a harsh truth has been passed down from generation to generation: There is no fear but the fear of hunger.

When I began my term as a public policy scholar at the Wilson Center last year working on the project “Science and the Media,” I ran into a journalist colleague I hadn’t seen in years. When he heard what I was doing, he said in astonishment, “Science? How did you get interested in that?”

The culmination of five years of work by three working groups comprising hundreds of scientists around the world, the Intergovernmental Panel on Climate Change’s Fifth Assessment was released in parts throughout this year. A newly released synthesis presents their findings in one document.