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This story was originally published by HuffPost and is shared here as part of the Climate Desk collaboration.

Jay Inslee unveiled a sweeping plan Friday to all but eliminate planet-warming emissions from power plants, automobiles and new buildings, becoming the second contender for the 2020 Democratic presidential nomination to release a climate policy this week.

The Washington governor, who is making climate change the primary focus of his inaugural White House run, said his nearly 2,900-word “100% Clean Energy for America Plan” is the first of a series of policies he intends to roll out before the first Democratic primary debate in June.

The plan calls for shuttering all coal plants and setting a national clean electricity standard that requires 100 percent carbon-neutral power by 2030, leaving room for gas plants equipped with technology to capture and store heat-trapping pollution. It proposes rapidly building out electric vehicle infrastructure and mandating that all buses and new light- and medium-duty vehicles produce zero emissions within a decade. The platform lays out nine separate policies to eliminate emissions from heating, cooling and appliances in new buildings by the end of the next decade.

It’s by far the most ambitious set of climate policies yet proposed, and it comes closer than any other legislative blueprint to the goals outlined by advocates of a Green New Deal. The plan is sparsely detailed and includes no price tags or funding proposals. But it cites existing city- and state-level policies as examples, anchoring a self-described “moonshot” plan to tangible models and bolstering Inslee’s case that, as a governor, he has more executive experience than most of his 2020 rivals.

The policy outline, announced Friday before a news conference in Los Angeles, comes four days after former Rep. Beto O’Rourke (D-Texas) released his own 2,500-word climate proposal. O’Rourke’s plan laid out a four-pronged approach that includes executive actions to curb emissions, increase energy efficiency and halt new fossil fuel leases on federal lands; mobilizing $5 trillion over 10 years to invest in clean energy; mandating net-zero emissions by 2050; and ramping up federal grants to vulnerable communities.

The proposal, O’Rourke’s first since entering the presidential race, earned mixed reviews. Vox called it “the most robust” proposal in the 2020 fray. New York magazine shrugged it off as “blandly inoffensive.” Both Rep. Alexandria Ocasio-Cortez (D-N.Y.), the face of the Green New Deal, and Sunrise Movement, the grassroots group driving the issue, criticized O’Rourke’s plan for setting too slow a timeline for transitioning from fossil fuels. O’Rourke, whose past support for Republican bills that boosted fossil fuels and his donations from oil and gas executives drew climate activists’ scorn, described his plan as “the most ambitious in the history of the United States.”

That was true until Friday.