After a drop-off in demand over the last several years, institutional investors are starting to dip their toes back in the cleantech market. Top story of 2013.

The former Treasury Secretary delivers his message to the cleantech industry. Top story of 2013.

Venture investors in the sharing economy reveal how they decipher real problems from temporary ones. Top story of 2013.

Our conference calendar is updated with important industry events VCs should consider attending over the next few months.

The developer of next-generation flow battery energy storage systems has signed a licensing agreement that will facilitate its full commercialization. However, the CEO received mixed...

Seeds from the inedible jatropha bush produce oil that can be refined into low-carbon jet or diesel fuel.

The wind industry's Production Tax Credit is set to expire at midnight on Tuesday.

The U.S. DOE is revitalizing its commitment to methane hydrate due to its "vast potential as a future energy source."

Water, agriculture, and a stronger business savvy were prevalent themes among this year's startups. VC Ira Ehrenpreis tells cleantech investors not to "jump ship."

Siemens, GE, Shell, and Osram Sylvania weigh in on whether taking a strategic investment will hinder a startup’s future exit prospects.