Washington is launching a first-of-its-kind program to auction off carbon offset credits to preserve the state’s forest land.

A bill to impose a fee on banks investing in fossil fuels was among the biggest losers in the recent Washington state legislative session.

Sen. Reuven Carlyle, the architect of the nation’s second cap-and-trade law, said that he will leave the Washington Senate when his term expires next year.

A bill to cushion trade-exposed Washington manufacturers from the economic impact of the state’s cap-and-trade program is getting pushback.

Cap-and-trade is expected to yield Washington $500 million a year in revenue, according to the state agency charged with running the program.

Washington lawmakers will confront more than a dozen climate bills in their upcoming short session.

Western states produced a whirlwind of climate initiatives last year, advancing numerous bills and regulations to reach net-zero emissions by 2050.

Washington Gov. Jay Inslee unveiled a $626 million climate change policy wish list for state lawmakers to tackle in the 2022 session.

RGGI released an addition 3.9 million allowances from its cost containment reserve, which has only happened twice before in the program’s history.

Washington officials have begun the nuts-and-bolts rulemaking on three major climate change bills the state’s legislature passed in April.