As Haiti is rebuilt after the earthquake, attention should be paid to its environmental problems, especially deforestation.
Tankless, or on-demand, water heaters have advantages, but cost isn't one of them.
Scientists look for the reasons that birds migrate thousands of miles to nest in the Arctic.
In renovating a home, why should homeowners conserve water and how do they go about it?
In California, butterflies are being affected by warmer temperatures and habitat loss.
Forget blackjack tables or roulette wheels. Tribal lands could generate wealth through solar, wind, and geothermal energy.
Do homeowners in the Northeast – an area of plentiful water – need to conserve water?
An effort to save the axolotl – a type of salamander – is also a bid to preserve an ancient culture.
It helps feed a hungry world, but it's worse than CO2.
The Bering Strait is only 50 miles wide, but it has quite an influence on Earth's climate, say scientists.
A $40 million federal stimulus project to drill up to 50 new wells in California moves forward despite drying aquifers and community complaints.
The early Pliocene period might be the best analog for the warmer world scientists expect in the not-too-distant future.
Methane gas produced in California landfills fuels garbage and recycling trucks, reducing the state's carbon emissions.
In renovating an old house, the flooring decision comes down to new flooring (relatively inexpensive) vs. old wood planks (more expensive but charming and recycled).
The brutal cold snap that has put much of the Northern Hemisphere on ice this week doesn't disprove global warming or mean we're off the hook for greenhouse emissions.
Scientists in Washington State monitor the populations and migration patterns of birds of prey, to identify trends.