Former Vice President Al GoreAl GoreOvernight Energy: Trump officials defend fossil fuels, nuclear at UN climate summit | Dems commit to Paris goals | Ex-EPA lawyers slam 'sue and settle' policy Al Gore: A new president in 2020 could keep US in Paris agreement Ron Klain: ‘It’s not even going to be that close’ MORE will testify before a House panel this week on policies to address climate change.

Gore will appear before a subcommittee of the House Energy and Commerce Committee on Friday, testifying with former Virginia Sen. John Warner (R-Va.) in a hearing entitled "Bipartisan Leaders' Views on the ACES Legislation." ACES is the American Clean Energy and Security Act of 2009, legislation including cap-and-trade provisions as well as renewable energy standards and new "smart grid" technology.

Starting Tuesday, the subcommittee will hold four days of hearings on the legislation, proposed by Rep. Henry Waxman (D-Calif.) and Rep. Edward MarkeyEdward (Ed) John MarkeySenate Democrats introduce bill to block Trump's refugee ban FCC votes to limit program funding internet access for low-income communities Two GOP senators oppose Trump’s EPA chemical safety nominee MORE (D-Mass.), who chairs the subcommittee.

Meanwhile, the Senate Foreign Relations Committee will hold its own global warming hearing on Wednesday. Sen. John KerryJohn Forbes KerryTrump's dangerous Guantánamo fixation will fuel fire for terrorists Tech beefs up lobbying amid Russia scrutiny Overnight Tech: Senate Dems want FCC chief recused from Sinclair merger | Tech rallies on Capitol Hill for DACA | Facebook beefs up lobbying ranks MORE (D-Mass.) will chair a hearing titled "Global Climate Change: United States Leadership For A New Global Agreement." Witnesses include Todd Stern, Special Envoy for Climate Change at the US State Department, as well as representatives from CARE, the Center for Clean Air Policy, and Siemens.

Mike Soraghan contributed to this report.