Climate change action is the top issue for Democratic voters, according to a new national poll out Tuesday.

The CNN poll found that 82 percent of registered voters who identified as Democrats or Democratic-leaning independents listed climate change as a "very important" top priority they’d like to see get the focus of a presidential candidate.

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The poll is the first national survey to show climate change rising to the top of the ranks among issues Democrats plan to focus on in the 2020 election.

In March polling of likely Democratic Iowa caucusgoers found that climate change was the No. 2 issue respondents wanted to hear candidates spend “a lot” of time talking about. Eighty percent of respondents to that poll listed climate change as the top issue while health care edged as the top concern with 81 percent.

Only 14 percent of Republican voters in the same poll listed climate change as a major threat.

Environmentalists have made strides in recent elections to link the effects of global warming and human and health. Recent super storms, historical fires and prevalent drought have helped push climate change to the forefront as a visible threat.

Many Democratic hopefuls have seized on the topic to get an edge in the saturated primary race. Former Texas Rep. Beto O’Rourke (D), who in 2018 ran unsuccessfully for the Senate against Sen. Ted Cruz Rafael (Ted) Edward CruzCruz blocks amended resolution honoring Ginsburg over language about her dying wish Trump argues full Supreme Court needed to settle potential election disputes Press: Notorious RBG vs Notorious GOP MORE (R ), introduced a policy proposal Monday to fight climate change if elected.

Other Democratic candidates like Sens. Elizabeth Warren Elizabeth WarrenDimon: Wealth tax 'almost impossible to do' CNN's Don Lemon: 'Blow up the entire system' remark taken out of context Democrats shoot down talk of expanding Supreme Court MORE (D-Mass.) and Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (D-N.J.) have each introduced similar policy proposals that touch on combating global warming.