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One in the Washingtonian Cascades, one in the Washingtonian Olympics, and one in the Oregonian Cascades, with a smaller Mt. Washington in Skagit County, WA.
April 25, 2017 12:31
At more than 60 miles long, the Nanticoke is one of the most important tributaries of Chesapeake Bay.
April 25, 2017 12:31
The world's largest expanse of exposed limestone bedrock covers more than 75,000 square miles in southern Australia.
April 25, 2017 12:31
All across the globe, harmful bacteria, fungi, parasites, and viruses are becoming ever more resilient against the effects of antimicrobial agents.
April 25, 2017 12:31
The roots of native Rubber Fig trees provide walkways across the water in Cherrapunji, India.
April 25, 2017 12:31
Once one of the most polluted rivers in the world, the Cuyahoga River literally caught fire multiple times.
April 25, 2017 12:31
A growing body of research suggests that sound waves prompt certain plant species to actively respond.
April 25, 2017 12:31
Disease and anthropogenic factors alike threaten to wipe these bovids and their curious noses off the face of the earth.
April 25, 2017 12:31
You may know all about hot springs, but do you know about this boiling river and how fragile its ecosystems are?
April 25, 2017 12:31
The keratin wedge formations atop the crests of male Helmeted hornbills' crests are in high demand to create red ivory, an ornamental luxury.
April 25, 2017 12:31
Many see significant promise in the use of macro- and microorganisms to break down toxic substances and decontaminate dangerous areas.
April 25, 2017 12:31
This seed vault on a far northern island of Norway promises to help ensure the protection of the earth's flora biodiversity in the event of a global catastrophe.
April 25, 2017 12:31
One of the lowest areas on earth covers almost 20,000 square miles in northwestern Egypt.
April 25, 2017 12:31
Often times, mountains stand as barriers preventing precipitation from falling over certain areas.
April 25, 2017 12:31
One of the most commercially significant North American rivers spans around 40 miles along the U.S.-Canadian border, part of the larger Great Lakes Waterway.
April 25, 2017 12:31
A double-edged sword, siltation can positively enrich croplands or negatively choke out biodiversity.
April 25, 2017 12:31
Signed in 1997 and effective a little more than 7 years later, these extensions of the UNFCCC were a landmark achievement in international environmental legislation.
April 25, 2017 12:31
One of the largest, most important rivers in the U.S. flows for 465 miles through Maryland, Pennsylvania, and New York.
April 25, 2017 12:31
The largest of the Windward Islands of French Polynesia covers an area of 400 square miles.
April 25, 2017 12:31
What do you really know about these three New World species of blood thirsty creatures?
April 25, 2017 12:31
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