"UNITED NATIONS — Nigeria. Syria. Somalia. And now Iran. In each country, in different ways, a water crisis has triggered some combination of civil unrest, mass migration, insurgency or even full-scale war."

"A bipartisan group of more than 100 members of Congress is urging President Donald Trump to recognize climate change as a national security threat."

"Climate change will not be included in an important Pentagon strategy document set to be unveiled in January, the No. 2 official at the U.S. Defense Department said on Thursday."

"The Pentagon has been praised for starting to address global warming, but a report for Congress finds the risks aren't tracked well enough at facilities overseas."

"A government program to clean up 503 contaminated military sites across Oklahoma will have cost an estimated $677 million by the time it concludes at the end of the century, Department of Defense records show."

"Three years after the Army Corps declared it sufficiently cleaned up, a former Air Force station continues to contaminate wildlife on remote St. Lawrence Island".

"The military spends more than a billion dollars a year to clean up sites its operations have contaminated with toxic waste and explosives. These sites exist in every state in the country. Some are located near schools, residential neighborhoods, rivers and lakes."

"The Trump administration is holding talks on providing nuclear technology to Saudi Arabia — a move that critics say could upend decades of U.S. policy and lead to an arms race in the Middle East."

"President Donald Trump's nominee to lead the nation's oceans and atmosphere agency is already facing political headwinds."

"It took extreme measures to save the zoo’s last survivors from one of the world’s most dangerous war zones."