A Washington Supreme Court hearing provided a practice run for possible upcoming court battles over Gov. Inslee’s partial vetoes of recently passed climate bills.

Legislative leaders slammed Washington Gov. Jay Inslee’s veto of segments of cap-and-trade and low-carbon fuels standard bills.

Washington’s climate change bills will not go into effect until the legislature passes a transportation budget. No one is quite sure when that will be.

Washington is on its way to becoming the second state to have a comprehensive cap-and-trade program after a Senate vote approving the bill.

Two bills would move North Carolina toward reaching net zero by 2050, a third would repeal the state's Renewable Energy Portfolio Standard.

The Democrat-controlled Washington Senate barely passed a cap-and-trade bill designed to trim industrial carbon emissions.

Fellow Democrats are questioning California Gov. Gavin Newsom’s budget proposal to spend $1.5 billion to accelerate the adoption of zero-emissions vehicles.

A Washington state cap-and-trade bill designed to cut greenhouse gases and aid low-income residents faces a key vote Feb. 25.

A bill in the Washington State Senate would establish a cap-and-trade program to gradually limit the state’s emissions and fund decarbonization efforts.

Virginia Gov. Ralph Northam signed landmark legislation committing the state to closing most of its coal-fired generation by 2024 and adopting a 100% clean energy standard.