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Animals
Snowshoe hares near the now closed Giant Mine outside of Yellowknife, N.W.T show signs of arsenic contamination. Denali NPS / Flickr / CC BY-SA

Toxic Leftovers From Giant Mine Found in Snowshoe Hares

By Som Niyogi and Solomon Amuno

Even though it was closed decades ago, the Giant Mine on the outskirts of Yellowknife has left a long environmental legacy.

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Insights

4 Reasons You Should Avoid Activated Charcoal

By Sophie Medlin

On her Goop website, Gwyneth Paltrow claimed that charcoal lemonade was one of the "best juice cleansers." That was in 2014. Today, charcoal products—from croissants to capsules—are everywhere. Even high street coffee chains have taken to selling charcoal "shots."

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Energy
Mexico City's new Norman Foster-designed airport, seen here in a computer rendering, is visually striking but environmentally problematic. Presidencia de la República Mexicana CC-by-2.0, CC BY

Mexico City’s New Airport Is an Environmental Disaster But It Could Become a Huge National Park

By Gabriel Diaz Montemayor

Mexico City long ago outgrew the two-terminal Benito Juárez International Airport, which is notorious for delays, overcrowding and canceled flights.

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Animals
Pexels

Microplastics May Heat Marine Turtle Nests and Produce More Females

By Mariana Fuentes

Have you ever considered that small pieces of plastic less than 5 millimeters long, or smaller than a pencil eraser head, called microplastics, can affect large marine vertebrates like sea turtles?

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Health
Hiking the Savage River Loop in Denali National Park and Preserve, Alaska. Lian Law / NPS

Spending Time Alone in Nature for Mental and Emotional Health

By Brad Daniel, Andrew Bobilya and Ken Kalisch

Today Americans live in a world that thrives on being busy, productive and overscheduled. Further, they have developed the technological means to be constantly connected to others and to vast options for information and entertainment through social media. For many, smartphones demand their attention day and night with constant notifications.

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Climate
Hurricane Irma passes Cuba and approaches southern Florida on Sunday, Sept. 10, 2017, with Hurricane Jose at lower right. NASA

Understanding Hurricane Risks: 5 Essential Reads

By Jennifer Weeks

June 1 marks the start of the 2018 Atlantic hurricane season, with some communities still rebuilding after last year's largest storms.

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Health
Nick Harris / CC BY-ND 2.0

Common Antimicrobial in Toothpaste and Household Products Linked to Inflammation and Cancer

By Haixia Yang

The antimicrobial chemical triclosan is in thousands of products that we use daily: hand soaps, toothpastes, body wash, kitchenware and even some toys. Work in our lab suggests that this compound may have widespread health risks, including aggravating inflammation in the gut and promoting the development of colon cancer by altering the gut microbiota, the community of microbes found in our intestines.

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Politics

Many Republican Mayors Are Quietly Advancing Climate-Friendly Policies

By Nicolas Gunkel

Leadership in addressing climate change in the U.S. has shifted away from Washington, DC. Cities across the country are organizing, networking and sharing resources to reduce their greenhouse gas emissions and tackle related challenges ranging from air pollution to heat island effects.

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Popular
Tunnel boring machine approaching starter tunnel at proposed Yucca Mountain nuclear waste repository in 2013. U.S. Deparrtment of Energy

The Federal Government Has Long Treated Nevada as a Dumping Ground, and It’s Not Just Yucca Mountain

By Michael Green

Nevadans can be forgiven for thinking they are in an endless loop of "The Walking Dead" TV series. Their least favorite zombie federal project refuses to die.

In 2010, Congress had abandoned plans to turn Yucca Mountain, about 100 miles northwest of Las Vegas, into the nation's only federal dump for nuclear waste so radioactive it requires permanent isolation. And the House recently voted by a wide margin to resume these efforts.

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