Senate climate drama to unfold in three acts

Leadership will meet Monday to determine the floor schedule for the bill, including when and in what order votes on two other climate amendments will occur.

The first, offered by Senate Minority Leader Mitch McConnellMitch McConnellThough flawed, complex Medicaid block grants have fighting chance Sanders: 'If you don't have the guts to face your constituents,' you shouldn't be in Congress McConnell: Trump's speech should be 'tweet free' MORE (R-Ky.), would permanently block the agency from regulating greenhouse gas emissions.

The amendment is based on legislation offered by Sen. James InhofeJames InhofeA guide to the committees: Senate GOP considers ways to ‘modernize’ endangered species law GOP bill would eliminate Consumer Financial Protection Bureau MORE (R-Okla.). Inhofe’s bill has 43 co-sponsors, including Sen. Joe ManchinJoe ManchinGreens launch ads against two GOP senators for Pruitt votes Poll: Senate should confirm Gorsuch A guide to the committees: Senate MORE (D-W.Va.).

The bill has passed a House committee earlier this month and is expected to come up for a vote on the House floor in the coming weeks.

A second amendment, offered by Sen. Jay RockefellerJay RockefellerObama to preserve torture report in presidential papers Lobbying world Overnight Tech: Senators place holds on FCC commissioner MORE (D-W.Va.), would delay EPA’s climate regulations by two years.

Votes on the amendments could come as early as Tuesday, the aide said.

Interest groups scrambled this week to put pressure on lawmakers ahead of the vote.

The American Coalition for Clean Coal Electricity, for example, has been running radio ads in several states in an attempt to pressure centrist Democrats to vote for the McConnell amendment.