On the cusp of primaries in New York and Pennsylvania, Democratic presidential candidate Sen. Bernie Sanders has released an anti-fracking ad in an attempt to showcase his differences on the issue from his rival Hillary Clinton.

“Sanders is the only candidate for president that opposes fracking everywhere,” actress Susan Sarandon, who narrates the ad, says in the video that was released on Monday. The video cites concerns that fracking threatens drinking water because it “pumps dangerous, cancer-causing chemicals into the ground” and says Washington politicians are “choosing big polluters” over families because they’ve been influenced by money from “Big Oil.”

Sanders supports extending New York’s ban on fracking across the nation and praised New Yorkers at a Monday event for pressuring Gov. Andrew Cuomo  to ban it. “If we are serious, we need to put an end to fracking not only in New York and Vermont but all over this country,” he said.

New York banned fracking last year while the shale industry has flourished in Pennsylvania over the last decade and currently produces the second-highest amount of natural gas after Texas.

As StateImpact Pennsylvania points out, Clinton expressed her views on the issue at a debate in Michigan last month.

“I don’t support it when any locality or any state is against it, number one,” Clinton said during the debate. “I don’t support it when the release of methane or contamination of water is present. I don’t support it, number three, unless we can require that anybody who fracks has to tell us exactly what chemicals they are using. By the time we get through all of my conditions, I do not think there will be many places in America where fracking will continue to take place.”

Clinton has been supportive of the natural gas industry in the past as a “bridge-fuel” to a future based on renewable energy, which is closely aligned with the position the Obama administration has taken on the issue, as The Huffington Post noted.

During Clinton’s time as secretary of state, Clinton helped spread fracking technology to other parts of the world, including Bulgaria and Poland, according to a 2014 investigation by Mother Jones:

Under her leadership, the State Department worked closely with energy companies to spread fracking around the globe—part of a broader push to fight climate change, boost global energy supply, and undercut the power of adversaries such as Russia that use their energy resources as a cudgel.

Reach reporter Natasha Khan at 412-315-0261 or nkhan@publicsource.org. Follow her on Twitter @khantasha.

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Natasha is director of audience & visuals strategy at Pittsburgh's Public Source. She runs the organization's audience and visual team. She manages social media, the website, brand strategy and works...