Solar energy

European researchers have created a three-dimensional invisibility cloak that made gold disappear.

9 | March 18, 2010 1:40pm | By Boonsri Dickinson

At age 18, Erika DeBenedictis has created a software navigation system that would let spacecraft find the fastest and most fuel-efficient transit routes through the solar system.

2 | March 18, 2010 4:00am | By Christina Hernandez

Tokyo bikers get a solar push as Sanyo unveils two parking lots that charge hybrid electric bicycles.

3 | March 17, 2010 12:42pm | By Melissa Mahony

A government project hopes to install wind, solar and small hydro projects in some of the country's most toxic places. A windmill in every Superfund site?

3 | March 16, 2010 1:50pm | By Melissa Mahony

First Solar joined the Desertec Industrial Initiative, a solar power project that aims to supply 15 percent of Europe's power by 2050. Other solar players also landed big deals.

1 | March 16, 2010 6:59am | By Larry Dignan

F-35 stealth fighter jet delays; transportation earmarks; Europe's biggest solar plant; 10 most expensive transit projects; home superinsulation.

March 12, 2010 2:30pm | By Andrew Nusca

A new study reveals much of the materials used in making homes more energy efficient are domestically produced. Could simple retrofits create more jobs?

March 12, 2010 11:35am | By Melissa Mahony

A study will show whether a building expected to be the country's first Platinum LEED skyscraper is good for the health of its tenants. Should there be a government mandate for natural light in...

March 12, 2010 4:00am | By Melanie D.G. Kaplan

The 10 MW Tower in Dubai is quite a renewable energy machine. The skyscraper is pumping out 10 times the amount of energy it needs and is exporting power to the surrounding neighborhood.

12 | March 11, 2010 3:16am | By Larry Dignan

Sage Electrochromics receives $72 million in federal funding for smart windows. Their high-tech glass dims and brightens automatically and could be a clear choice for green buildings.

12 | March 10, 2010 9:35am | By Melissa Mahony

If you can turn wind power or solar energy into hydrogen or less-volatile ammonia, you can transport it and have it ready for use in fuel cells when demand develops far away. Both hydrogen and...

3 | March 9, 2010 6:25am | By Dana Blankenhorn

A ComEd pilot program plans to equip Chicago residents with photovoltaic panels and metering gadgets. The goal? Training consumers to take power over their energy habits.

5 | March 5, 2010 11:11am | By Melissa Mahony

The new PlanetSolar watercraft is a 100-foot-long catamaran that's powered entirely by solar panels.

2 | March 2, 2010 8:58am | By Andrew Nusca

Experts talk about investment opportunities in "technology that will provide clean, renewable and efficient energy solutions for individuals, corporations and governments."

5 | March 2, 2010 4:00am | By Christina Hernandez

Profit and patriotism are the routes out of the climate crisis.

12 | February 26, 2010 9:02am | By Dana Blankenhorn

The Bloom Energy fuel cell resolves a longstanding problem that have made fuel cells uneconomical. Its engineers replaced an expensive platinum component with a low cost ceramic made from sand....

3 | February 25, 2010 8:54am | By John Dodge

TD Bank, which operates mostly in the northeast United States, announced on Thursday that it's the largest American bank to go carbon neutral and unveiled a new "green" design for future branches.

4 | February 22, 2010 7:48am | By Andrew Nusca

Green Houston is in a race with the future, and the big news is that it's running it.

2 | February 18, 2010 9:06am | By Dana Blankenhorn

Where are the best places in the world to place solar panels and wind turbines for maximum efficiency? A new infographic has the answer.

February 17, 2010 1:00pm | By Andrew Nusca

Katie Spotz opted to run her myriad electronics with solar power in her courageous if not slightly insane 2,500-mile row across the Atlantic. She's blogging and Twittering the whole way.

2 | February 17, 2010 10:18am | By John Dodge