"A year ago, the U.S. House tried to block the military from preparing for climate change. Now, several GOP members have voted to support studying the security risks."

"U.S. authorities are investigating a cyber intrusion affecting multiple nuclear power generation sites this year, E&E News has learned. There is no evidence that the nuclear energy industry's highly regulated safety systems were compromised. But any cybersecurity breach — targeted or not — at closely guarded U.S. nuclear reactors marks an escalation of hackers' probes into U.S. critical infrastructure."

"The North American Electric Reliability Corp., in its 'State of Reliability 2017' report, noted there were no cybersecurity attacks that took down parts of the U.S. grid in 2016, but NERC officials took little comfort in the conclusion."

"A key federal official who helps adjudicate claims by veterans who say they were exposed to Agent Orange has downplayed the risks of the chemical herbicide and questioned the findings of scientists, journalists and even a federal administrative tribunal that conflict with his views."

"At the end of a Senate hearing last month, Sen. Maria Cantwell (D-Wash.) challenged Dave McCurdy, president of the American Gas Association, to say how Congress and the public can be confident about the cybersecurity defenses of the nation's natural gas infrastructure when no one is keeping score."

"As local lawmakers continue to pressure the military to do more to clean massive groundwater pollution near its bases in Bucks and Montgomery counties, contaminant levels appear to have increased in the past year."

"As part of its 2018 budget, the Trump administration is proposing to reduce by half the size of the Strategic Petroleum Reserve, a cushion against global price shocks and supply disruptions. The administration said it expects the drawdown to reduce the federal deficit by $16.6 billion, part of a package of deficit reduction measures over the next 10 years."

Climate change was included in the list of national security threats which the intelligence community presented to Congress Thursday.

"Contamination from former or current military installations has ignited a nationwide review of water on or around bases that used a firefighting foam containing toxic chemicals."

"The U.S. Air Force says it won't provide safe drinking water to Oscoda residents affected by chemical pollution from the former Wurtsmith Air Force Base because a Michigan law seeking that is discriminatory."