Sen. James InhofeJames (Jim) Mountain InhofeOvernight Defense — Presented by Huntington Ingalls Industries — Trump nominates Shanahan as Pentagon chief | House panel advances bill to block military funds for border wall | Trump defends Bolton despite differences Trump nominates Shanahan as Pentagon chief Iran, Venezuela puts spotlight on Trump adviser John Bolton MORE (R-Okla.) blocked Senate Democrats on Monday from passing a resolution that would have acknowledged the reality of climate change.

Sen. Amy Klobuchar (D-Minn.) asked unanimous consent to pass S.Res. 524, which is a measure that expresses the sense of the Senate that climate change is occurring and poses a risk to the United States. But Inhofe objected.

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“All we wanted to say in this resolution is climate change is happening,” Sen. Barbara BoxerBarbara Levy BoxerOnly four Dem senators have endorsed 2020 candidates Hispanic civil rights icon endorses Harris for president California AG Becerra included in Bloomberg 50 list MORE (D-Calif.) said on the Senate floor. “We can’t afford to sit around here debating whether climate change is real.”

Inhofe has been an ardent climate change denier, saying it is the “biggest hoax” perpetrated against mankind.

Sen. Sheldon WhitehouseSheldon WhitehouseOvernight Energy: EPA watchdog finds Pruitt spent 4K on 'excessive' travel | Agency defends Pruitt expenses | Lawmakers push EPA to recover money | Inslee proposes spending T for green jobs Lawmakers take EPA head to task for refusing to demand Pruitt repay travel expenses Dems request investigation of lobbyist-turned-EPA employee who met with former boss MORE (D-R.I.), who is a sponsor of the resolution, said Inhofe was living in an “alternate reality.”

“To say that we have no warming is just not factual,” Whitehouse said. “Ignorant, out-of-touch or crazy — that’s what young Republicans think of that position.”

Klobuchar said she would try again to pass the resolution because the Senate looks “silly” for ignoring scientific agreement.