Understand how alternative energy and renewable resources are changing our world, from geothermal to nuclear.
Interior Secretary Ken Salazar reverses Bush policies and scraps drilling leases on federal land in Utah's redrock country.
Today, the windmill's modern equivalent—a wind turbine—can use the wind's energy to generate electricity.
BETTER WAYS TO MAKE AND USE ELECTRICITY
From solar to geothermal to biomass and wind, explore our guide to green energy sources.
Turbines are a Danish specialty — what can the U.S. do to catch up?
As Obama plans for an energy makeover, his Department of Energy is still focused on nuclear weapons.
Is a kinder, gentler Exxon/Mobil — with Rex Tillerson at its helm — really changing its stripes?
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.
The Vatican has activated a new solar energy system and announced an ambitious plan that could one day make it an alternative energy exporter.
Saving energy and money by using the power strip you already have smartly.
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Activist and author blogs about politics, energy and Earth's resources.
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Science journalist blogs about humans and other wildlife.