U.S. Marines run down the beach to set up a mortar defense during a simulated beach assault at Marine Corps Base Hawaii with the 3rd Marine Expeditionary Unit during the multi-national military exercise RIMPAC in Kaneohe, Hawaii, July 30, 2016. The effects of climate change endanger U.S. military operations and could increase the danger of international conflict, according to three new documents endorsed by retired top U.S. military officers and former national security officials. “There are few easy answers, but one thing is clear: the current trajectory of climatic change presents a strategically-significant risk to U.S. national security, and inaction is not a viable option,” said a statement published on Wednesday by the Center for Climate and Security, a Washington-based think tank. It was signed by more than a dozen former senior military and national security officials, including retired General Anthony Zinni, former commander of the U.S. Central Command, […]