California-based HyperSolar says it’s reached a major milestone in its quest for an affordable and greenhouse gas-free way to produce hydrogen for fuel cells using solar power.

Dennis Calvert, president and CEO of BioLargo, discusses his firm’s electro-chemical filter reactor and the benefits it can bring to food processing and other industries.

Geostellar has received $2 million in angel funding at the same time it has patented an invention. The patent is for a system that programmatically places solar panels on rooftops.

"We see activity around green bonds in a number of different places, but signals out of China are very strong" says Zurich Insurance Group.

GSR Capital launches $5B fund to scale emerging cleantech in China; Ygrene Energy’s $150 million PACE securitization; Clean Fund raises $60M for PACE financing; new $150M investment...

Powered by data and technology, the energy industry is poised to enter a new era.

California-based alternative fuels developer Fulcrum Bioenergy will receive a $30 million equity investment from United Airlines, described as “the single largest investment by a...

Former ARPA-E director Cheryl Martin talks to us about cleantech funding, her new focus on the “middle of the pipe,” New York’s REV, and about making the impossible become inevitable....

In the format of speed dating, the rapid-fire pitch session had four top venture capitalist’s trying to decide: Is this a reasonable business plan to sell a finished product to real...

China is increasing its focus on “low carbon” sectors, including energy efficiency, green buildings, water, waste, and transportation. Some of the nation’s moves could translate...