Learn about animals, weather and natural disasters, alternative energy, environmental politics and space.
Sat, Jul 12, 2014 1:00 PM
They're known for their silence-shattering howls. Here's the reason behind such loud vocalizations.
Gas prices dominated the headlines in 2008. They spiked at more than $4 in July and plummeted in December. Watch how the prices rose and fell over the last 10 years.
Audubon Society's annual count is the country's longest-running wildlife census and a great way to determine the health of bird populations nationwide.
Clark Howard offers more money saving tips on weather stripping and light bulbs.
Clark shares money-saving tips on insulation and innovative energy devices.
Learn how a home energy audit can save big money in monthly energy bills.
A tax that's good for us all.
Pine bark beetles are killing millions of acres of pine trees throughout the American West.
The Vatican has activated a new solar energy system and announced an ambitious plan that could one day make it an alternative energy exporter.
A call to president-elect Obama to attack environmental challenges wholesale and head-on.
The Church of England goes green.
To the ornithological world, the age of now 14-year-old Spencer Hardy is irrelevant to the phenomenon he helped document.
Saving energy and money by using the power strip you already have smartly.
Al Gore thinks the Obama Internet revolution could save the planet.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.