The greening of the news

Over the past two years, few areas of news coverage have grown more quickly than the environment and energy conservation. This list of stories, image galleries, and guides illustrates how vigorously--and imaginatively--technology is being used to address ecological issues.

Green tech powers forward
Researchers are rethinking the way we power our lives, from solar-powered Wi-Fi to robots fueled by bacteria. To stay on top of the latest advances in energy technology, check back here for updated coverage.

New Energy Star ratings for PCs on the way
The PC industry is about to get the first update to the Energy Star specifications in more than a decade, as home gadgets continue to suck down the juice.

FAQ: Guide to alternative fuels
Here's a handy guide to the major players in the alternative-fuel world.

How to shrink your next energy bill
Heating and cooling costs make up at least half of household energy expenses. Trimming those costs can go a long way toward boosting your bank account and improving the environment. This CNET Reviews quick guide shows you how.

Hummers and muscle cars go green
Diesel's not just for truckers anymore. Converting cars with notoriously bad mileage can make them ecofriendly without compromising performance.
Photos: Muscle cars with a conscience
Video: Souped-up Impala outraces a Lamborghini

Entrepreneur opens green luxury resorts
A Chinese herbal wrap and some low-volatile sealants? Right this way, ma'am.
Photos: Resort hopes going green brings in some green

Earth-friendly hangers coming to a dry cleaner near you
HangerNetwork combines two hot concepts--clean tech and kooky ad campaigns--to rid closets around the nation of pesky wire hangers.
Photos: No more wire hangers

'Power plants' in the basement heat up
A combined heat-and-power system, sized down for use in the average home, features on-site power generation and high energy efficiency.

Using solar energy to keep homes cool
SolCool's air conditioner can be run directly from solar panels, existing wiring, or even, in a pinch, batteries.
Photos: Keeping cool from the sun

Photos: Eco ideas for the home and business
At Boston's Building Energy conference, exhibitors showed off Earth-friendly, energy-saving products.

HP touts energy-efficient PCs
Three new machines meet the latest standards from the U.S. Environmental Protection Agency.

Tell us what you think about hybrid cars

More on green tech from CNET.com

• Green tech powers forward
• Driving It: Why hydrogen will fuel future cars
• Driving It: Your clean, green car choices
• Hybrid car buying guide
• Video: The ups and downs of green building
• Video: Honda goes green three new ways
• Shrink your next energy bill
• Trash your old tech--the green way
• Recycling your phone
• The cleanest cars you can buy