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How Uranium Mining Works

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Thanks to our voracious appetite for energy, the element long linked with nuclear weapons is taking on a new role. Where does the hunt begin for uranium?

What If Everyone in the World Recycled?

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If you don't recycle, you should. If you do recycle, you should do more. And what if everybody in the world started to recycle? At the very least, it would help us attack that enormous plastic patch in the middle of the ocean.

What percentage of air pollution is due to cars?

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What percentage of air pollution is due to cars? Visit HowStuffWorks to learn what percentage of air pollution is due to cars.

Is it better to replace my washing machine or repair it?

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Is it better to replace my washing machine or repair it? Find out if you should replace my washing machine or repair it at TLC Home.

Top 10 NASA Inventions

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The men and women of NASA are an ingenious bunch, and they're not just inventing amazing things for space. Which inventions have changed our lives here on Earth?

Carboxytherapy Overview

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Carboxytherapy is a popular skin treatment. Visit HowStuffWorks to learn all about Carboxytherapy.

How the Sierra Club Works

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The Sierra Club protects the environment by lobbying for environmental preservation. Learn more about the Sierra Club conservation efforts.

How Green Pavement Works

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Green pavement is porous, meaning that it permits water to seep through to the ground. Learn why green pavement is good for the environment.

What's a brownfield?

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A brownfield are abandoned pieces of land that may be contaminated. Find out more about what a brownfield can do to a community.

How Carbon Capture Works

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We know that humans are largely responsible for fueling global warming with our carbon emissions. So what if we could seize all that carbon and squirrel it away in a safe place? Well, we can. It's just hard and really expensive.

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