Sen. Kamala Harris Kamala HarrisTexas Democratic official urges Biden to visit state: 'I thought he had his own plane' The Hill's Campaign Report: Biden on Trump: 'He'll leave' l GOP laywers brush off Trump's election remarks l Obama's endorsements A game theorist's advice to President Trump on filling the Supreme Court seat MORE (D-Calif.), a 2020 White House hopeful, on Wednesday unveiled a $10 trillion plan to battle the effects of climate change and transition the U.S. to a carbon-neutral economy.

A proposal released by the Harris presidential campaign ahead of CNN's climate change town hall Wednesday evening would move the U.S. to a 100 percent renewable energy-based power grid by 2030, and transition all vehicles in the U.S. to the same energy sources by 2035.

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Harris would also rejoin the Paris climate accord and end U.S. support for oil and natural gas extraction projects around the world.

“Climate change is an existential threat to our species, and the United States must lead the world with bold action to safeguard our future and protect our planet,” the senator said in a statement.

“The Trump administration is pushing science fiction, not science fact, putting our health and economy at risk. As president, I will hold polluters accountable for the damage they inflict upon our environment and set us on a path to a 100 percent clean economy that creates millions of good-paying jobs. This crisis demands urgency and boldness, and as president, I will act," Harris continued.

Her plan's announcement comes just a day after one of her competitors, Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.), announced that she would support a plan previously pushed by Washington Gov. Jay Inslee Jay Robert InsleeBarr asked prosecutors to explore charging Seattle mayor over protest zone: report Bottom line Oregon senator says Trump's blame on 'forest management' for wildfires is 'just a big and devastating lie' MORE (D), who ended his campaign for president last week.

Other 2020 Democratic contenders including 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.) have also released ambitious proposals to combat the issue and move the United States to a clean energy grid.

Nine other presidential candidates are set to appear Wednesday night on CNN's climate change town hall alongside Harris.