"The federal government appears to have significantly underestimated the amount of lead, arsenic and other dangerous pollutants that are sent into the air from uncontrolled burning of hazardous waste at the Radford Army Ammunition Plant in Virginia, according to a draft of a long-awaited report compiled by researchers at the Environmental Protection Agency."

"LAS VEGAS -- The robust and agressive takedown of part of Ukraine’s power grid by hackers served as a wakeup call for cyber experts and exposed just how much America does not know about foreign operatives’ ability to strike critical U.S. infrastructure."

"The top Democrats on the Senate and House energy panels are seeking an assessment of the cyber and physical security protections for natural gas, oil and other hazardous pipeline infrastructure, warning of increased cyberthreats from foreign state-backed and criminal hacking organizations."

"The House defeated an amendment to a defense policy bill Thursday that would have blocked a Department of Defense study into the impacts of climate change on national security."

"A coalition of 14 conservative groups urged U.S. lawmakers on Wednesday to support an amendment to the House of Representatives' annual defense bill that would prevent the Pentagon from implementing climate-change and green energy policies meant to save taxpayers money and protect the planet."

"The daughter of the murdered Honduran environmentalist Berta Cáceres has survived an armed attack, just weeks after being named leader of the indigenous rights organisation formerly led by her mother."

"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."