The Senate voted Thursday to confirm a climate change skeptic and former industry attorney to lead the Department of Justice’s (DOJ) environment division.

Lawmakers voted 52 to 45 to confirm Jeffrey Bossert Clark to be the assistant attorney general for environment and natural resources. Sens. Joe Manchin Joseph (Joe) ManchinManchin defends Supreme Court candidate Barrett: 'It's awful to bring in religion' The Hill's Morning Report - Sponsored by Facebook - Trump, GOP allies prepare for SCOTUS nomination this week Trump meets with potential Supreme Court pick Amy Coney Barrett at White House MORE (D-W.Va.) and Claire McCaskill Claire Conner McCaskillMomentum growing among Republicans for Supreme Court vote before Election Day Democratic-linked group runs ads in Kansas GOP Senate primary Trump mocked for low attendance at rally MORE (D-Mo.), both running for reelection GOP states, joined all Republicans present in voting to confirm Clark.

Clark is and attorney at the law firm Kirkland & Ellis, where he has represented numerous industry clients, including oil giant BP in its efforts to fight certain claims from the 2010 Deepwater Horizon disaster and spill, and the Chamber of Commerce. He’s said climate change science is “contestable.”

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“Mr. Clark’s legal colleagues describe him as one of the most capable lawyers with whom they’ve ever worked, and no fewer than seven former assistant attorneys general for the environment and natural resources division tell the Senate that his well-rounded background and prior experience in the division make him an excellent choice for this position,” he said.

Clark’s past experience includes a stint as deputy assistant attorney general in the same DOJ division.

Democrats said Clark’s history shows he would further 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’s pro-industry environmental record, to the loss of the climate and public health.

“He is a favorite of the Federalist Society, having chaired that group's environmental law and practice group. But his nomination is strongly opposed by groups that care about protecting the environment,” said Senate Minority Whip Dick Durbin Richard (Dick) Joseph DurbinFeinstein 'surprised and taken aback' by suggestion she's not up for Supreme Court fight Grand jury charges no officers in Breonna Taylor death Democrats shoot down talk of expanding Supreme Court MORE (D-Ill.).

“He is exactly the wrong person to be in this job of enforcing regulations to protect our environment.”

Clark’s responsibilities at the DOJ will include being the top law enforcement official in pursuing claims against polluters and companies that violate environmental laws. He’ll also be responsible for defending Trump’s aggressive deregulatory agenda against an onslaught of lawsuits.

“Jeffrey Bossert Clark’s blatant hostility toward environmental protection is good news for polluters, but awful news for the rest of us,” Environmental Working Group President Ken Cook said in a statement. “The guy who defended the company that caused the worst oil spill in U.S. history is not likely to aggressively go after corporate environmental outlaws.”

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Trump nominated Clark to the post in June 2017, but the full Senate didn’t act on the nomination until this week.

Sessions both thanked senators for confirming Clark and criticized the length of time it took.

"He is ready to lead this division — and it should not have taken us 16 months to get him confirmed," he said.

Clark will replace Jeffrey Wood, who has been acting assistant attorney general in the environment division since Trump’s inauguration in January 2017.

Updated: 3:26 p.m.