ENVIRONMENT

Baseball-Sized Hail Is Set to Shower North America

Climate change is leading to an increase in the size of the hail that could hit the northern and central plains.

Bright Street Lights Can Be Bad for Your Health, Doctors Say

LED street lights are good for the environment, but not so much for people's health, the American Medical Association said in a new policy statement.

Seagulls Eat Garbage in Landfills and Then Poop Pollution Into Our Waters

What goes around comes around.

Watch Weevils Invade California Palm Trees

The South American palm weevil is eating palms' hearts out.

Sequoia Sent to Idaho by John Muir Will Be Uprooted and Moved Two Blocks

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

Seeing Trees Can Make You Feel Healthier

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

A Plankton Bloom Turns the Bosphorus Strait Turquoise

Clouds of reflective microbes paint swirls of aquamarine into the blue.

Ansgar Walk, Wikimedia Commons // CC BY 2.5

Polar Bears Are Consuming Less Mercury—But There's a Downside

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

Hans Peters / Anefo, CC0, Wikimedia Commons

5 Surprising Facts About Jacques Cousteau

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.

25 Things You Didn't Know About the World's Oceans

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

Conservationist John Muir’s Youthful Hobby: Inventing Amazing Alarm Clocks

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

Interactive Maps Show How Climate Change Will Impact Your Neighborhood

The effects will be felt across the country.

6 Creative Recycling Efforts From Around the Globe

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..