Learn how a home energy audit can save big money in monthly energy bills

Clark Howard tells Jennie Garlington about one of his favorite energy-saving devices

Clark Howard offers more money saving tips on weather stripping and light bulbs.

Learn how a community was built with pedestrians in mind.

These creative Halloween ideas don't require carving and can be used over and over again.

DIY Christmas ornaments add nature to your decorations

Geometric crystal ornaments bring on the color, and they're easy to make too.

Some cities don't recycle glass, but that doesn't mean you can't reuse glass bottles for candles, hummingbird feeders or even chandeliers.

Jump start your spring garden by growing your seedlings in eggshells before planting them in the ground.

Enhance your neighborhood's flora with a little guerrilla gardening.

This offbeat but ancient gardening technique remains a novel way to show off your plants.

Matt Pember shares an excerpt from his new book that shows you how to make a miniature greenhouse using old windows.

Before interviewing Energy Secretary Steven Chu, <i>The Daily Show</i> host Jon Stewart fell asleep talking about the Markey-Waxman energy bill.

Follow the proceedings of the Clean Energy Summit via Twitter #NCES09.

The U.S. Department of Energy's Advanced Research Projects Agency-Energy (ARPA-E) has awarded $151 million to 37 forward-thinking energy research projects.

Two groups have received $80 million in funding from the ARRA for advanced biofuels research.

In the latest installment of the Faces of the Recovery Act video series, the U.S. Department of Energy showcases 1366 Technologies.

In his commencement speech at Washington University, Energy Secretary Chu encouraged graduates to "Do something that matters. Help save the world."

DOE Recovery Act awards continue with the recent announcement of $92 million in funding for energy research programs.

The Department of Energy has awarded $188 million to small businesses in 34 states to spur clean energy innovation, job creation and more.

The U.S. Department of Energy awards $57 million to 33 small business projects.

Some number crunching based on the new 2009 Lawrence Livermore Labs analysis of U.S. energy use reveals that individuals (versus businesses) are responsible for

In a rare move, Republicans on a House panel vote to subpoena White House documents related to the failed solar power company.

A new analysis reveals that greenhouse gas emissions in 2010 surpassed even the worst-case scenario envisioned by scientists four years ago.

The U.S. energy secretary is the highest-ranking official yet to address Congress about federal aid to the bankrupt solar company.

Novel generator uses harmless viruses to create an electric charge.

Breaking from many in her party, Alaska's Lisa Murkowski says 'there is a role' for the federal loan program that financed the now-bankrupt solar firm.

Luxury automaker Fisker has officially missed a $10 million payment to the Department of Energy. Is a bankruptcy filing next?

Meteorologists predict a mostly normal 2019 hurricane season, but that doesn't mean there's no danger.

The wild horses of the Outer Banks in North Carolina have been riding out storms for centuries.

Growing food isn't about green-thumbing our nose at Mother Nature; it's about knowing her well enough to enlist her assistance.

The International Garden Photographer of the Year honors 16 photographers for their macro images of plants and animals.

A hybrid that would be cold-hardy and suitable for outdoor planting may be available for home landscapes in a few years.

There's a poaching ring focused on some succulents in the genus Dudleya, which can fetch millions on the black market in East Asia.

Guest blogger Scott Badenoch tackles 'Obama's failure on mountaintop removal.'

Vacationers are becoming wary of theme parks as the swine flu outbreak worsens.

Doctors are seeing up to 15 times as many chronic deformities in infants.

Each year, as many as 20 million people get sick from drinking contaminated water in the U.S.

The hip Scandinavian superstore becomes the latest company affected by the broadening scandal.

Moose lasagna, a hot seller at European stores operated by the world-dominating purveyor of flat-pack furnishings, is found to contain trace amounts of pork.

The winds and waves of Hurricane Sandy spilled enough sewage to match BP's oil spill more than 50 times over.

Scientists will release harmless gases in the New York City subway to determine noxious gas threat

Hey nosey garbage man, you got a warrant?

The turtle survived, but a video of the ordeal demonstrates why recycling can be a matter of life and death.

Japanese scientists have found a special bacteria, Ideonella sakainesis, that likes to eat polyethylene terephthalate, better known as PET.

If you want paper or plastic in NYC, plan on sharing a few more nickels. The fee goes into effect on Oct. 1, 2016.

What happens when railway station buildings are no longer used? Here are 10 being used for restaurants, museums, homes and more.

An item you need may be for sale in your own neighborhood — at a price way less than retail.

Toronto Blue Jays pitcher Blake McFarland says he just wants to make cool things.

The ReTuna mall in Eskilstuna provides a shining example of how the buy-use-dispose model can be turned on its head.