Despite the eulogies delivered for the greentech sector because of a less-than-stellar first quarter, VC investment in greentech rebounded in the second quarter with more than $1.2 billion invested in 85 startups - a 50 percent increase.

New thinking in inverters by VC-funded entrepreneurs is challenging the conventional wisdom in solar installations with the potential for lower materials and labor cost and higher overall system conversion efficiencies. This month's Greentech Innovations Report focuses on the new inverter architectures coming to market.

This month's Greentech Innovations Report tackles the emerging algae biofuels market. Algae cultivation and harvesting for biofuels stands as a potential answer to reduce dependence on imported oil. It once seemed a far-fetched idea, but the science is developing, the investment community is interested, and major oil producers like Shell Oil and major fuel consumers like Virgin Air have established joint ventures to move the technology forward.

This month's Greentech Innovations Report, takes a deep dive into the nascent ocean power market. This info draws upon extensive investigations by our research team and the pioneering work from our senior renewable energy analyst, Daniel Englander. These pages are just a glimpse of our published research on the subject.

In this issue, we explore in detail the challenges and opportunities CIGS manufacturers face over the 5 years, and how their promise can largely be fulfilled as they take share from amorphous silicon and mid-tier multicrystalline PV competitors and establish an important new sector of the global PV market.