An assault on Europe’s most important climate law, the Emissions Trading System, took the fight against green rules to a whole new level.

The government says carbon markets could generate investment to support conservation, job creation and sustainable development.

The president's rollback of tailpipe regulations comes as the global marketplace shifts to electric vehicles.

States and feds are doing little to affect data center growth. People in a Virginia county are pushing back but running into big obstacles.

Forty-one senators are accusing EPA of treating the repeal as a “foregone conclusion.”

Thousands of disaster workers remained on the job as Homeland Security funding lapsed Saturday. But states could see FEMA reimbursements stall.

President Donald Trump said the "U.K.’s got enough trouble without getting involved with Gavin Newscum."

Several Democrats joined Republicans to vote against the Clear Horizons Act, which was based on the governor's executive order to cut emissions in the fossil-fuel-heavy state.

The state solicitor general cited West Virginia's landmark Supreme Court triumph over an Obama-era climate rule as one reason he expects EPA's endangerment finding repeal to survive legal challenge.

The case was the first to ask an electric utility to pay to help communities respond to climate change.

The EU Emissions Trading System has come under intense pressure from heavy industry for raising energy costs and contributing to plant closures.

The crisis affected everything from restaurants to factories, some of which were forced to halt production.

The decline in China’s emissions, while small, may mark a turning point for the world’s largest polluter.

Key risks that the European Central Bank is monitoring include the financial impacts of extreme weather events on physical assets and supply chains.

The agency relied on legal arguments to erase the basis for climate rules, ditching provisions that tried to poke holes in the scientific consensus on global warming.

The president has mocked global warming as a “hoax,” but his administration avoided testing that claim in court as it targeted the endangerment finding.

With its repeal of a scientific finding that requires greenhouse gas regulation, the agency has reopened a long-settled legal question over its own authority to act on climate change.

GOP lawmakers who engage in climate issues have been relatively quiet about the decision.

Revolution Wind in New England is nearing completion after overcoming Trump administration efforts to halt the project.

The state could become the first to sue fossil fuel companies for emissions that allegedly intensify disasters and lead property insurers to raise premiums.