BERLIN -- A dramatic drop in the price of solar power technology last year helped the continued growth of renewable energy, according to a U.N.-backed...

The problem is, countries have never considered the competing and often conflicting objectives. As a result, solar energy, instead of becoming the messenger of the new cooperative world, is getting embroiled in messy battles.

Last week, the wine-making town of Sebastopol became the second California city after Lancaster to require that solar panels be installed in all new b...

If the excess capacity of Suntech and other solar panel makers was harnessed to generate clean energy, might China tame its air pollution problems faster and maintain its ambitious 8 percent annual economic growth goal at the same time?

By Christoph Steitz and Stephen Jewkes FRANKFURT/MILAN, March 8 (Reuters) - Renewable energy is constantly evolving and challenging tr...

Yes, it takes thousands of roofs to match one big project. But rooftops have more accessible capacity, and more community benefits, and investments of both money and intention are starting to flow that way.

From Earth Techling's Pete Danko: Here’s a thought for solar marketers: If you’ve done a few rooftop projects in a neighborhood, don’t be so ...

While the U.S. prepares to hand over $197 million in government funding to solar power start-up SoloPower, a new report from the European Union's Join...

LOS ANGELES, Sept 24 (Reuters) - A tiny solar company named SoloPower will flip the switch on production at a U.S. factory Thursday, a major step to...

U.S. commercial solar installations have reduced those business' utility bills by millions of dollars annually while generating enough electricity to power more than 390,000 homes.

Israel is the land of milk and honey -- and solar water heaters. Taking the idea of solar thermal hot water heaters to the next level is Tigi Solar, a new Israeli company that was inspired by the busy bee.

Solar needs its own Ed Bernays. The reason is simple. Today, most people don't think that solar is a "thing they do" to save money.

From Mother Nature Network's Chris Turner: This week, New Jersey Gov. Chris Christie announced plans to double the solar power capacity on the Gard...

If China is subsidizing solar panels, let's thank them and ask them to do more. The cheaper those panels are, the more Americans will go back to work installing them all over the country.

As we continue to push for innovation to drive down the cost of solar, it's much easier to imagine a day in the near future when we will reach $1 per watt for a fully installed solar energy system.

GENEVA (AP) — Global investment in renewable energy reached a record of $257 billion last year, with solar attracting more than half the total spend...

Sen. Lisa Murkowski (R-Alaska) warned against a “knee-jerk” response to Solyndra, breaking with top Republicans as she voiced her support for fede...