They look like they belong in a modern art museum.

Photo from J Henry Fair, used with permission.

But this isn't an oil painting.

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For the last five or six years, there's been a big mystery in climate science: What's behind the sudden rise in global ethane gas emissions?

Ethane is a hydrocarbon (a gas made of hydrogen and carbon) and is the second most common one in the atmosphere.

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Can you guess which state had over 500 significant quakes in 2014? The answer is telling.

It's a 600-fold increase in the historical rate of quakes. And it's not natural.

When I think of a disaster in Oklahoma, I usually assume it's a tornado.

That's because Oklahoma sits right in Tornado Alley. And it's true, some really terrible storms have come through the state in the last few years, such as the one that hit the town of Moore in 2013.

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