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via Ria Tan / Flickr and Kevin Walsh / Flickr

Climate change deniers often mock the claim that gas expelled from cows, either through the mouth or the bottom, is a major cause of global warming.

It was even a point of debate when Republicans were discussing the Green New Deal.

But it's true. According to the United Nations, livestock farming produces about 18% of environmentally damaging gases — and about a quarter of that chunk comes from cow emissions.

When cows digest food in their intestines it ferments, which causes them to expel methane. When methane is released into the atmosphere without being burned off, it absorbs the sun's heat, warming the atmosphere.

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Wikipedia / LightSail2

Sometimes the most advanced forms of technology are also the simplest. The LightSail 2, a satellite conceived by Bill Nye's non-profit Planetary Society, has proven that a satellite can orbit the Earth fueled completely by the sun. The concept, dreamed up 400 years ago by Johannes Kepler, has finally become a reality.

The LightSail 2 doesn't run on solar panels but instead solar sailing – an entirely different concept. It's kind of like a sailboat, but instead of using wind to make it move, it's powered by photon particles from the sun that bounce off of a sail made from a large reflective surface. The photon particles give it a "tiny push no stronger than the weight of a paperclip," Nye told CNN.

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via Corey Thompson / Flickr

One of the United States' greatest weapons against tyranny are states rights.

While they've typically been championed by conservatives who don't want to abide by federal dictates, the left-leaning state of California has been using its rights to push back against Trump's harmful environmental policies.

While the Trump Administration has been rolling back federal climate regulations, the state of California has created its own aiming to get 100% of the state's electricity from renewable sources by mid-century.

"What we're seeing is a tale of two climate nations," said Barry Rabe, a professor of public policy at the University of Michigan, told the New York Times. "The split has become much more pronounced in recent years."

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The 2013 documentary "Blackfish" shined a light on the cruelty that orcas face in captivity and created a sea change in the public's perception of SeaWorld and other marine life parks.

This "Blackfish" backlash nearly deep-sixed SeaWorld and led Canada to pass a law that bans oceanariums from breeding whales and dolphins or holding them in captivity. Animals currently being held in Canada's marine parks are allowed to remain as well as those taken in for rehabilitation.

Podcaster and MMA announcer Joe Rogan saluted Canada's decision on a recent episode.

"First of all, what assholes are we that we have those goddman things in captivity? A big fucking shout out to Canada because Canada, mostly probably through the noise that my friend Phil Demers has created in trying to get MarineLand shut down, Canada has banned all dolphin and all whale captivity. It's amazing. I hope the United States does it well, I hope it goes worldwide," Rogan told his guest, economist and mathematician Eric Weinstein.

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