Glacier National Park

How Global Warming Is Threatening Genetic Diversity

The meltwater stonefly, an insect on the leading edge of climate change, is in danger because its frigid mountain habitat is rapidly disappearing.
karst

The Incredible Unsung Karst Ecosystem

One of the world’s most incredible, yet unsung, ecosystems, karsts are home to a remarkable biological diversity.
Aral Sea Ships

The Agonizing Death of the Aral Sea

After decades of environmental disaster, fish and wildlife may rebound to Central Asia's Aral Sea, but the lake will never be restored to its former glory.
plastic grocery bag

How Should We Deal With Plastic Bags?

A proposed 5-cent plastic bag fee was just blocked in New York City. What can be done to effectively reduce plastic bag use?
Wind turbines

The Unexpected Problem With Wind Power

While it can be an excellent source of clean power, wind power also kills a lot of wildlife, including bats.
rising sea levels

Sea Level Rise Is Already Here

For the 44% of the world's population that lives near the coastline, global climate change is no longer abstract. 
clothing donations

Fast Fashion Fills Our Landfills

Americans dispose of about 12.8 million tons of textiles annually. Fashion has a major impact on the environment. So what is the industry doing about it?
recycling plastic bottles

One Way to a Cleaner Ocean? Plastics!

A new technology allows ships to dredge the ocean for plastic, then compress it into bricks. But plastic recycling has proved difficult in the past.
American Bison

The Bison Is America’s New National Mammal

The American bison joins the bald eagle as the second national animal. What will the designation mean for its conservation status?
altruistic marmot

Why Do Animals Share?

Natural selection should weed out the do-gooders and leave only egoists, but animals share just the same.