Bill Nye tees off on climate change skeptics: 'The planet is on f---ing fire!'

Activist and television host Bill Nye said the Earth is "on f---ing fire" in a new video warning about climate change, with the self-described "Science Guy" urging lawmakers to "grow the f--- up" and allocate money to fight rising emissions.

“By the end of this century, if emissions keep rising, the average temperature on Earth could go up another four to eight degrees,” Nye said in the video, which was featured on John Oliver's HBO program, "Last Week Tonight." 

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“What I’m saying is the planet’s on f---ing fire. There are a lot of things we could do to put it out — are any of them free? No, of course not. Nothing’s free, you idiots," Nye added. "Grow the f--- up. You’re not children anymore. I didn’t mind explaining photosynthesis to you when you were 12. But you’re adults now, and this is an actual crisis, got it? Safety glasses off, motherf---ers.”

The commentary comes two months after the Green New Deal package of proposals to address climate change failed to pass in the Senate in a 57-0 vote, with 43 Democrats voting "present."

It was co-sponsored by Rep. Alexandria Ocasio-CortezAlexandria Ocasio-CortezWar of words escalates in House McCarthy faces headaches from far-right House GOP Noncitizen voting doesn't pass this test MORE (D-N.Y.) and Sen. Ed MarkeyEd MarkeySenators seek to curb counterfeit toys and goods sold online Senate GOP blocks defense bill, throwing it into limbo Equilibrium/Sustainability — Presented by Southern Company — Pledged money not going to Indigenous causes MORE (D-Mass.) and has been endorsed by several Democratic presidential candidates, including Sens. Bernie SandersBernie SandersGOP ramps up attacks on SALT deduction provision Symone Sanders to leave the White House at the end of the year Briahna Joy Gray says Chris Cuomo will return to CNN following scandal MORE (I-Vt.), Elizabeth WarrenElizabeth WarrenWarren calls on big banks to follow Capital One in ditching overdraft fees Crypto firm top executives to testify before Congress Massachusetts Gov. Charlie Baker won't seek reelection MORE (D-Mass.), Amy KlobucharAmy KlobucharBiden should seek some ideological diversity House passes bipartisan bills to strengthen network security, cyber literacy Klobuchar confident spending bill will be finished before Christmas MORE (D-Minn.), Cory BookerCory BookerMaternal and child health legislation must be prioritized now Poll: Harris, Michelle Obama lead for 2024 if Biden doesn't run Five reasons for Biden, GOP to be thankful this season MORE (D-N.J.) and Kirsten GillibrandKirsten GillibrandEx-officials voice deep concerns over new Pentagon UFO unit Paid leave advocates ramping up the pressure on Manchin and Schumer Gillibrand, bipartisan lawmakers push to keep military justice overhaul in NDAA MORE (D-N.Y.).

Oliver during his Sunday evening show blasted conservative pundits for criticizing the Green New Deal while defending it himself.

"It is a nonbinding resolution that very briefly sets out some extremely aggressive goals, including achieving net-zero greenhouse gas emissions, meeting 100 percent of the country’s power demand through clean, renewable and zero-emission energy sources and creating millions of good, high-wage jobs in the United States," Oliver, a former Comedy Central host who came to HBO in 2014, said.