Mental Floss

ENVIRONMENT

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The tree was planted in Boise more than a century ago.

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A Canadian study finds that 10 extra trees per city block made people feel as healthy as if they were seven years younger.

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Scientists say climate change in the Arctic has forced the bears to change their eating habits.

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French naval officer, explorer, and filmmaker Jacques-Yves Cousteau helped millions of people learn about what goes on under the ocean's surface—but he originally wanted to fly.

A Hawksbill sea turtle swimming in the ocean.

The ocean is a mysterious place. Dive into some lesser-known facts about the deep.

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John Muir was more than a great explorer and advocate of national parks—he was also an ingenious inventor.

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The effects will be felt across the country.

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This Earth Day, get inspired to think outside the plastic bin, and brainstorm creative ways to convert or re-purpose old, discarded, or unexpected materials into something new and useful..

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Finding water on Mars? Amazing! Finding water in Antarctica? Potentially scary.

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Tourists looking for the perfect Instagram shot can leave damage that lasts for years.

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Ooho! might be the future's green alternative to plastic bottles.

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"Xiongan New Area" is part of a plan to help people move out of crowded, smoggy Beijing.

Aqualonis

Mesh billboards will capture the mountain region’s copious fog so it can be turned into drinking water.

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Saving the planet—one scoop at a time.

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"Toilet to tap" might be coming to a city near you.

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The tiny bristles are perfect for cleaning fly eggs and larva from fur.

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Experts say collisions with windows are a “preventable problem.”

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It could save the U.S. $77 billion (or more) in healthcare costs and reduce each person’s greenhouse gas emissions by nearly 500 pounds per year.

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Step away from the bread.

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The single-digit stamp helps determine the ultimate fate of your trash.

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A result of climate change, the chasm has revealed long-lost forests and the preserved remains of prehistoric animals.

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The Irish Parliament has just passed a bill to halt all public funding of coal, oil, and gas companies.

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Food waste is bad all around, even if it's handled in a responsible manner.

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Government agencies and the Yurok tribe are teaming up to try to restore the endangered bird to its historic habitat.