An activist at the Sunrise Movement, a youth-led climate group, is warning that the U.S. has little time to get ahead of climate change and calling the 2020 vote pivotal.

“We’re totally past the point — we have 11 years to radically transform every sector of our economy and the 2020 election is the last best chance to elect a president that will be able to do that, meaningfully,” Lauren Maunus, a policy and political coordinator for the group, told Hill.TV during an interview Thursday.

Maunus added that she was disappointed with the Democratic National Committee’s (DNC) decision to not hold a debate focused on climate, but said the activist group will continue to advocate for the issue on a national scale.

“We’re really shifting the ground under their feet,” she said of the DNC. “We’ll continue organizing by the millions.”

Maunus’s comments come after the DNC voted down a resolution that would allow Democratic presidential hopefuls to take part in a standalone climate debate.

A number of Democratic candidates blasted the committee's decision, and the move has sparked a broader discussion about the need for single-issue debates on a range of issues.

Though climate change has been a subject of debate in the last two presidential primary debates, environmental activists argue that it’s not enough to confront the rising threat, which has become a key issue in the Democratic presidential primary.

In response, both CNN and MSNBC announced this week that they will host climate-focused forums next month.

Several Democratic presidential candidates and one Republican primary challenger to President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE will appear in the climate change forum moderated by MSNBC in September. The event will also include Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) and South Bend Ind. Mayor Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE (D). Former Massachusetts Gov. Bill Weld William (Bill) WeldRalph Gants, chief justice of Massachusetts supreme court, dies at 65 The Hill's Campaign Report: Biden visits Kenosha | Trump's double-voting suggestion draws fire | Facebook clamps down on election ads Biden picks up endorsements from nearly 100 Republicans MORE (R) is also poised to take part.

The MSNBC announcement came a day after CNN announced that it plans to host a live seven-hour town hall on climate change, featuring 10 Democratic primary candidates.

Former San Antonio mayor Julián Castro will kick off the CNN event, and Sen. Cory Booker Cory Anthony BookerThe movement to reform animal agriculture has reached a tipping point Watchdog confirms State Dept. canceled award for journalist who criticized Trump 3 reasons why Biden is misreading the politics of court packing MORE (D-N.J.) will appear.

—Tess Bonn