"The Trump administration accused Russia on Thursday of engineering a series of cyberattacks that targeted American and European nuclear power plants and water and electric systems, and could have sabotaged or shut power plants off at will."

"Energy Secretary Rick Perry will fly to London this week to discuss a nuclear cooperation agreement with senior officials from Saudi Arabia, which is planning to build two reactors along the Persian Gulf, according to an administration official."

"A growing number of U.S. military sites are being damaged by sea level rise fueled by climate change, and that will threaten the military's ability to protect vital national security interests if the Pentagon and Congress don't take faster action, a panel of retired admirals and generals warns in a new report."

"A cyberattack on the power grid could erode trust in key U.S. institutions and cause billions of dollars in damage, a top White House advisory group said Friday."

"The U.S. military is spending billions to clean up drinking water contaminated with toxic firefighting foam while continuing to use dangerous new formulas."

"While top Trump administration officials deny climate change, the intelligence agencies warn global warming can fuel disasters and violent conflicts."

"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."