The Arctic is changing faster than any environment on Earth. The old, established order is being swept away, leaving scientists to ask: What's coming in its place?
Mention Yellowstone National Park and amphibians aren't likely to leap to mind. Yet the frogs, toads and salamanders that live in the 3,500-square miles of protected landscape are indicators of the park's health, as well as environmental changes.
A shark whose head was being "slowly sliced off" by a plastic strap it had become entangled in when younger has been rescued by scientists.
Climate change affects not only the growth and survival of marine animals, but also their senses.
For a guy who's been fascinated with nature all my life, I've been to a paltry number of national parks. My suitcase has no stickers for Yellowstone, Yosemite, or the Grand Canyon.
Only 450 right whales are left on Earth — and the administration just authorized seismic testing in its habitat.
As the number of dead or stranded live seals washing up along the coast from northern Massachusetts to southern Maine continues to increase dramatically, marine mammal experts are considering influenza or environmental pollution as potential explanations.
Jane Worthington moved her grandkids to protect them from oil and gas wells—but it didn't work. In US fracking communities, the industry's pervasiveness causes social strain and mental health problems.
"I was a total cheerleader for this industry at the beginning. Now I just want to make sure no one else makes the same mistake I did. It has ruined my life."
We tested families in fracking country for harmful chemicals and revealed unexplained exposures, sick children, and a family's "dream life" upended.
EHN.org scientific investigation finds western Pennsylvania families near fracking are exposed to harmful chemicals, and regulations fail to protect communities' mental, physical, and social health.
"Once they had the results of our study [families] felt like they had proof that these chemicals are in their air, their water, and making their way into their bodies."