Republicans are able to stop any climate change bill resembling the one passed by the House on the Senate floor, Sen. David VitterDavid VitterOvernight Energy: Trump set to propose sharp cuts to EPA, energy spending Former La. official tapped as lead offshore drilling regulator Former senator who crafted chemicals law to lobby for chemicals industry MORE (R-La.) declared Thursday.

"I'm predicting -- at least as we speak now -- that we can kill any major climate change legislation on the Senate floor, and prevent this massive utility and energy tax on every American from going into effect," Vitter said during an interview with a conservative news program.

Sen. Barbara BoxerBarbara BoxerTime is now to address infrastructure needs Tom Steyer testing waters for Calif. gubernatorial bid Another day, another dollar for retirement advice rip-offs MORE (D-Calif.) announced earlier today that the Senate wouldn't take up their version of the House cap-and-trade climate bill until after the August recess in Congress. Republicans have accused her of stalling out of concern for a lack or support for the bill.

"I'm very hopeful we'll be able to block any major climate change bill like that which came out of the House on the Senate floor," Vitter said. "I think we'll block it on the Senate floor if the American people really tune in and get the message."

The conservative Louisiana lawmaker said he has "real doubts" about the "so-called 'science'" behind climate change, but charged that the House bill, which would establish a market for carbon permits.

The House version of the bill squeaked by with significant Democratic defections, and some centrist Republicans crossing the aisle to join majority Democrats.