Two years after Trump's Paris climate move, frustrated Democrats eye 2020

But a Democratic president may be the only way to ensure environmental protections stand a chance in Washington, and the party’s White House hopefuls are pledging to support them. Former Vice President Joe Biden, Washington Gov. Jay Inslee and former Texas Rep. Beto O’Rourke are among those who have released or plan to release policies to tackle climate change if they were to win the office.

Nearly all of the plans call for rejoining the Paris agreement on day one.