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.

California entered an agreement with the governments of Quebec and New Zealand to work together on carbon markets and other climate action.

The Pennsylvania EQB approved final rules to join 10 other New England and Mid-Atlantic states in RGGI despite GOP efforts to put the issue on hold.