"For years, U.S. government agencies have told the public, veterans and Congress that they couldn't draw any connections between the so-called 'burn pits' disposing of trash at the military's biggest bases and veterans' respiratory or cardiopulmonary problems. But a 2011 Army memo obtained by Danger Room flat-out stated that the burn pit at one of Afghanistan's largest bases poses 'long-term adverse health conditions' to troops breathing the air there."

"Climate change and oil dependence are issues of national security, and the Pentagon will take a lead role in shifting the way the country uses energy, Defense Secretary Leon Panetta said [Wednesday] night."

"WARREN, Mich. -- The U.S. Army's next generation of advanced combat vehicles will be road tested in a Green Warrior Convoy."

"The US National Science Advisory Board for Biosecurity (NSABB) today recommended the publication of two controversial avian flu papers."

"After careful analysis of oil prices and months of negotiations, President Obama on Friday determined that there was sufficient oil in world markets to allow countries to significantly reduce their Iranian imports, clearing the way for Washington to impose severe new sanctions intended to slash Iran’s oil revenue and press Tehran to abandon its nuclear ambitions."

"The Obama administration has announced a new policy to handle the risks posed by legitimate biological research that could, in the wrong hands, threaten the public."

"World leaders may pledge tighter controls over nuclear materials to keep them out of the hands of terrorists, according to the draft of a communique to be released at the end of their two-day meeting in Seoul."

"Securing vulnerable nuclear material before the next Nuclear Security Summit in 2014 is the top priority, according to a copy of the six-page working document obtained by Bloomberg News. The draft, completed at a March 23 meeting of nuclear advisers attending the meetings in the South Korean capital, will be subject to debate at the gathering that ends tomorrow.

"Fresh water supplies are unlikely to keep up with global demand by 2040, increasing political instability, hobbling economic growth and endangering world food markets, according to a U.S. intelligence assessment released on Thursday."

"WASHINGTON, DC -- For decades, affluent families have flocked to Spring Valley, a quiet neighborhood hugging the northwestern boundary of the nation’s capital. True to its name, magnolias are blooming and daffodils carpet the yards. But during World War I, soldiers called it Death Valley. It was here that the Army cooked up chemical weapons, launched poison-packed mortar shells and sent gas clouds billowing over the fields."

"The memory and attention problems plaguing thousands of veterans from the first Gulf War might be caused by low-level exposure to insecticides and nerve gas, said researchers at Georgia Health Sciences University."