Beavers are one of nature's most industrious engineers. Using branches and mud, the intrepid animals create dams that slow moving water. In New York's Hudson Valley, their constructions are a common sight on streams and in wetlands.

Beavers are one of nature's most industrious engineers. Using branches and mud, the intrepid animals create dams that slow moving water. In New York's Hudson Valley, their constructions are a common sight on streams and in wetlands.

There are many reasons to protect Earth's biodiversity. One of the more underrated is that disease incidence is lower when ecosystems support a variety of plants and animals.

Debate about the Trans-Pacific Partnership overlooks an unintended consequence of increased trade with Asia – the assault on America's trees.

Does your property contain a patch of forest? When managing your woodland, resist the urge to keep things tidy. Dead and dying trees are a healthy part of forest ecosystems.

Most of us don't spend a lot of time thinking about our wastewater. We want our toilets to flush and our dirty wash water to go down the drain. We assume this water is efficiently routed to a treatment facility, where it is cleaned up and returned to the environment. But reality doesn't measure up to our expectations.

Most of us don't spend a lot of time thinking about our wastewater. We want our toilets to flush and our dirty wash water to go down the drain. We assume this water is efficiently routed to a treatment facility, where it is cleaned up and returned to the environment. But reality doesn't measure up to our expectations.

According to Rick Ostfeld, a disease ecologist at the Cary Institute of Ecosystem Studies, if we want to get a leg up on tick-borne illness we need to become vigilant earlier in the season.

If you shop online, this is a familiar scenario: You click on a product like a book, and the online merchant presents you with a list of related items. "If you like X, you might also like Y."

In the U.S. alone, some 15 million tons of salt is applied to roadways each year. While its use has real benefits, in terms of safety and navigation, there have been cumulative costs to the environment.