Monarch Butterfly''s Reign Threatened by Milkweed Decline
Monarch butterflies are quickly disappearing, and the loss of essential milkweed is a major culprit.
Coal-Dependent Arkansas Faces Stiff Emissions Target and a Running Clo
Under a proposed EPA rule, state officials will have to cut carbon emissions by nearly 45 percent-one of the highest targets in the country.
If You Think the Water Crisis Can''t Get Worse, Wait Until the Aquifers Are Drained
As drought ravages surface water supplies, we''re pumping groundwater to save us. And it will-for a while.
Study Sheds Light on Broadening U.S. Hunger Problem
More than 46 million Americans-including 12 million children-now rely on local food aid to get by, according to a new study that sheds light on the scope of America''s hunger problem.
New Energy Projects Boost the Use of Undersea Power Cables
The need to transmit power over long distances is increasing demand for submarine power cables, but the industry still faces hurdles.
Q&A: Sylvia Earle's Personal Journey and Why the Ocean is Vital to Life
Explorer Sylvia Earle shares her personal journey in new documentary film ''Mission Blue'' and explains why the ocean is essential to life on Earth.
A Hundred Years Old Today, the Panama Canal Is About to Get a Lot Bigger
To accommodate today''s oceangoing behemoths, the canal is getting a $6 billion makeover.
California Drought Launches New Gold Rush
With California rivers low, professional and hobbyist miners uncover more metals through panning, sniping, and prospecting.
Christopher Golden: Health of Planet, People Linked
Madagascar researcher Christopher Golden finds surprising connections between the environment and humans.