"The U.S. Securities and Exchange Commission is investigating how Exxon Mobil Corp. values its assets in a world of increasing climate-change regulations, a probe that could have far-reaching consequences for the oil and gas industry."

"Federal auto safety regulators on Monday made it official: They are betting the nation’s highways will be safer with more cars driven by machines and not people."

"How an esoteric piece of farm equipment created America’s breadbasket—and threatens to destroy it."

"U.S. EPA [Monday] released the final version of closely watched guidelines intended to make it easier for states to get a pass on air pollution violations outside their control because of 'exceptional events.'"

"Controversial Trade in Services Agreement (Tisa) could make it harder for governments to favour clean energy over fossil fuels as part of efforts to keep temperature rises to 1.5C".

"A far-reaching global trade deal being negotiated in secret could threaten the goals of the Paris climate deal by making it harder for governments to favour clean energy over fossil fuels, a leak of the latest negotiating text shows.

New research "suggests that massive long-term droughts can hit the region in conjunction with cycles of ocean warming and cooling — and that if these patterns continue to hold, another megadrought could lie in the future."

"After months of legal and regulatory battles, Nevada utility regulators have unanimously approved a motion to restore retail-rate net metering for the state’s 32,000 existing solar customers."

"The 27 states challenging Obama’s Clean Power Plan in court say the lower emissions levels it would impose are an undue burden. But most are likely to hit them anyway."

Florida environmental agencies said they are not legally required to notify homeowners whose well water was contaminated by a sinkhole at a major phosphate operation.

"Canada will impose a carbon price on provinces that do not adequately regulate emissions by themselves, Environment Minister Catherine McKenna said on Sunday without giving details on how the Liberal government will do so."