In western Europe’s biggest oil producing nation, the financial regulator says investing in environmentally friendly assets has a dark side.

The international effort to rein in fossil fuel pollution took a step backward this weekend after envoys at a marathon round of United Nations talks watered down language on issues they had agreed on in previous years.

U.S. lawmakers led by Senate Finance Committee Chairman Charles Grassley are negotiating a potential revival of expired tax breaks in last-minute negotiations over a government spending bill.

New York Gov. Andrew M. Cuomo (D) dealt a blow to existing renewable energy producers by vetoing a bill that they say would have helped them remain competitive as the state provides incentives to new producers.

Interior Secretary David Bernhardt said he’s moving forward almost a year early with his required review of the current plan on how to manage Colorado River water across the seven-state basin.

An Ontario court should delay approving an agreement between Canada and Volkswagen AG over the 2015 diesel emissions-cheating case to hear more from the scandal’s victims, their lawyer said Dec. 13.

A group of Wyoming landowners won reinstatement of their claims against the operator of a water reservoir for flooding their properties after the Tenth Circuit held that the operator exceeded the boundaries of a right-of-way approved under federal law more than a century ago.

Congressional backers of a curb on super-polluting hydroflurocarbons tried but failed to add the measure to the U.S.-Mexico-Canada trade deal.

PG&E Corp. told a California bankruptcy judge that it shouldn’t have to face litigation over its culpability for the deadly 2016 Ghost Ship warehouse fire, noting it just reached a $13.5 billion wildfire victim settlement.

For the second year in a row, a rift between industrial and developing nations about how to use carbon markets risks watering down a deal that could unlock hundreds of billions of dollars in aid for climate-related projects.