150223-N-LV331-002 WASHINGTON (Feb. 23, 2015) Secretary of the Navy (SECNAV) Ray Mabus speaks to Daniel Kreeger, executive director of the Association of Climate Change Officers, at the 2015 Climate Leadership Conference. Mabus spoke to business, government and academic leaders about the Department of the Navy�s renewable energy goals. (U.S. Navy photo by Mass Communication Specialist 2nd Class Armando Gonzales/Released)