Former Vice President Joe Biden Joe BidenBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Democratic groups using Bloomberg money to launch M in Spanish language ads in Florida Harris faces pivotal moment with Supreme Court battle MORE is looking to pitch a middle-ground approach to climate change as he faces a field of Democratic presidential primary challengers that has increasingly embraced more sweeping solutions on the issue, Reuters reported Friday.

Heather Zichal, a former Obama administration official who is informally advising Biden’s campaign, told Reuters that part of that plan, which is still being crafted, will likely include recommitting to the Paris climate agreement, the global greenhouse gas emissions pact that President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE withdrew from in 2017.

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It could also mean preserving existing emission standards and fuel efficiency requirements, Zichal said.

A second unidentified source told the news agency that Biden’s climate change plan could also seek to embrace energy sources like nuclear and fossil fuel options.

Zichal quickly pushed back on the Reuters report, saying the news outlet “got it wrong” and asserting that Biden “would enact a bold policy to tackle climate change in a meaningful and lasting way."

“Any suggestion that it wouldn't is in direct contradiction to his long record of understanding climate change as an existential threat,” she wrote on Twitter.

I expect as president @JoeBiden would enact a bold policy to tackle climate change in a meaningful and lasting way. Reuters got it wrong. Any suggestion that it wouldn't is in direct contradiction to his long record of understanding climate change as an existential threat. — Heather Renee Zichal (@hrzichal) May 10, 2019

TJ Ducklo, a spokesperson for Biden’s campaign, also insisted that the Reuters report was inaccurate, adding that the former vice president would address his climate change plan “in the coming weeks.”

Reuters got it wrong. @JoeBiden has called climate change a "existential threat," and we look forward to discussing his plan to address it in a meaningful and lasting way in the coming weeks. https://t.co/aenW0aQj6n — TJ Ducklo (@TDucklo) May 10, 2019

In crafting a more middle-ground approach to climate change, Biden is hoping to appeal to working-class voters who may be reluctant to back more extensive approaches to climate change, like the Green New Deal, which ultimately seeks to reduce U.S. greenhouse gas emissions to net zero over a 10-year period.

Several other Democratic presidential hopefuls have backed that proposal, including Sens. Kamala Harris Kamala HarrisHarris faces pivotal moment with Supreme Court battle Nearly 40 Democratic senators call for climate change questions in debates Joe Biden has long forgotten North Carolina: Today's visit is too late MORE (D-Calif.), 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.), as well as 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, who has sought to put climate change at the center of his presidential campaign.

Updated: 3:54 p.m.