Chinese auto parts maker Wanxiang has received approval to buy A123 Systems from the Committee on Foreign Investment and expects the deal to close on Friday.

Entrepreneurs in China, the world’s largest energy user, are looking beyond traditional clean energy sources like wind turbines and solar panels to niche technologies.

To offset the cost of Germany's shift to renewable energy, the government reported plans to cap rising household electricity prices and to compel industry to foot a larger part of...

Greenpeace's Executive Director discusses their new strategy to turn companies into green advocates.

The solar installation is the biggest for any automaker in North America.

The president may use existing rules and his executive power to cut carbon emissions.

U.S. wind power accounted for 6 percent of the nation’s total electricity generation capacity in 2012.

Global clean energy sector revenue could total $1.9 trillion from 2012 to 2018 with cumulative clean energy installations in the U.S. reaching 126 GW, says The Pew Charitable Trusts.

The unprecedented transformation of global urban landscapes will create huge opportunities for the smart city technology market, which will grow from $6.1B in 2012 to $20.2B in 2020, says Pike Research.

After last year’s fall, Pike Research said that it projects steady growth in 2013 and broke down the key opportunities in cleantech during its webinar yesterday.