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 McConnellAddison (Mitch) Mitchell McConnellSessions: 'We should be like Canada' in how we take in immigrants NSA spying program overcomes key Senate hurdle Overnight Finance: Lawmakers see shutdown odds rising | Trump calls for looser rules for bank loans | Consumer bureau moves to revise payday lending rule | Trump warns China on trade deficit MORE (R-Ky.), would permanently block the agency from regulating greenhouse gas emissions.

The amendment is based on legislation offered by Sen. James InhofeJames (Jim) Mountain InhofeEPA's Pruitt: Bring back 'true environmentalism' Tax cut complete, hawks push for military increase Trump meets with oil-state GOP senators on ethanol mandate MORE (R-Okla.). Inhofe’s bill has 43 co-sponsors, including Sen. Joe ManchinJoseph (Joe) ManchinMcConnell to Dems: Don't hold government 'hostage' over DACA Lawmakers see shutdown’s odds rising Senate campaign fundraising reports roll in 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 RockefellerJohn (Jay) Davison RockefellerOvernight Tech: Trump nominates Dem to FCC | Facebook pulls suspected baseball gunman's pages | Uber board member resigns after sexist comment Trump nominates former FCC Dem for another term Obama to preserve torture report in presidential papers 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.