Human waste as sustainable energy? These high schoolers made it happen.

Leroy Mwasaru was a high school student at Kenya's prestigious Maseno School when a dorm room renovation created an unfortunate situation.

The school's outdoor latrines overflowed into the local water supply.

Understandably, this made some people quite upset. But Mwasaru saw this as an opportunity to turn something revolting into a revolution.

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Green Mountain Energy

Solar energy is getting so cheap that even this coal museum is using it.

The move is symbolic of a lot of the progress made in green energy as of late.

Deep in the heart of coal country, a very unexpected business is going green.

The Kentucky Coal Mining Museum is adding solar panels to its building.

The museum, located in the southeast Kentucky town of Benham, aims to shine a light on the important role coal played (and continues to play) in meeting our energy needs — which makes it worth asking why it's moving away from its namesake fuel source to suit its own power needs.

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Google's 2017 energy plan has been years in the making — and they just might pull it off.

Google's New Year's resolution is good for all of us.

If Google was at a holiday party with the rest of the Fortune 500 companies, it would definitely have a New Year's resolution worth bragging about.

The company intends to be powered entirely be renewable energy in 2017.

Image via iStock.

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What happens to solar power when it isn't sunny? A simple question with an amazing answer.

"How does solar energy work when there's no sun?" has been a question for pretty much about as long as solar energy has been a thing.

Of course people wouldn't want solar panels on their houses if installing them meant that, come sunset, the movie they were watching suddenly shut off, forcing them to read by candlelight like colonial settlers. Making solar power a viable option, even when the sun sets or disappears behind some clouds, was one of the first things scientists and engineers had to figure out.

Photo by Andreas Rentz/Getty Images.

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