Greenhouse gases

A free-market think tank said the state is breaking its law, by not reporting its greenhouse gas emissions on schedule.

Dairy farms produce large quantities of methane, an extremely potent greenhouse gas. One Washington dairy farm, in partnership with the Tulalip Tribes, is about to take its carbon capture efforts to the next level.

A proposed state program would help gas station owners with maintenance and cleanup of toxic pollution from old petroleum storage tanks. But critics say the program would amount to a bailout and leave too many tanks untouched underground.

The King County Council has solidified a plan for dramatic action against climate change. Councilmembers unanimously approved the Strategic Climate Action…

It may seem like nothing is happening to reduce greenhouse gas emissions in Washington state, especially after the failure of the carbon-fee measure,…

Washington’s Department of Ecology has a plan to spend nearly $113 million on cleaner transportation technologies.The money is part of the state’s…

It's a rare victory for environmentalists so far under President Trump. The Senate rejection to rolling back an Obama-era regulation was close — tipping after three Republican senators voted no.

The administration of Washington Governor Jay Inslee has officially begun crafting new rules to cap greenhouse gas pollution from large industrial…

In an effort to raise revenue for public schools and transportation projects, Washington Gov. Jay Inslee wants to charge polluters for their carbon…

A University of Washington researcher may have helped solve a Martian mystery by explaining how the chilly surface of Mars could have once flowed with…