New York has formalized its ban on high-volume hydraulic fracturing for natural gas after a seven-year environmental and health review.
"Future generations will be cleaning up the mess left behind," said Aaron Klemz, a spokesman for the group, referring to the site of a 2014 massive mining waste spill in Canada.
The fate of Colstrip carries symbolic weight because of its location in the Powder River Basin of Montana and Wyoming, home to some of the largest coal mines in the world.
It can process 20,000 barrels of oil each day into diesel fuel and other products.
The U.S. Supreme Court on Monday rejected federal regulations curbing mercury emissions and other harmful pollutants from power plants.
The Supreme Court won't hear appeals from BP and Anadarko Petroleum Corp. over Clean Water Act fines for the 2010 Gulf of Mexico oil spill.
Hyundai Motor Co. says hydrogen fuel cell vehicles are the future for eco-friendly cars despite challenges of limited infrastructure and slow sales.
City College of New York researchers led by chemist George John have developed an eco-friendly biodegradable green "herding" agent that can be used to clean up light crude oil spills on water.
A local council has rejected plans to frack shale gas in northwestern England in a case closely watched as offering a precedent for exploration in Britain.
Germany's oldest remaining nuclear reactor has been shut down, part of a move initiated four years ago to switch off all its nuclear plants by the end of 2022.
The "gigafactory" will produce lithium-ion batteries for use in Tesla electric cars.
Farmers and environmentalists urged Montana regulators to establish buffer zones around homes to protect them from oil and gas drilling.
One Royal Dutch Shell offshore drill rig is headed to Alaska and a second is poised to leave, despite lacking final federal permits that would allow exploratory drilling and possible confirmation of rich oil reserves under the Chukchi Sea.
Nigeria's new president on Friday dissolved the board of the state oil company from which billions of dollars is missing, a move likely preceding an investigation.
The announcement Wednesday by Houston-based DKRW Advanced Fuels raised new skepticism about whether the plant at Medicine Bow in Carbon County would be built.