clean technology

Google Invests in Offshore Wind Energy Network

Google is taking an investment stake in the construction of a major undersea power network off the mid-Atlantic coast, the company announced Tuesday. The project is designed to deliver enough energy to power 1.9 million households from offshore wind turbines to the Eastern Seaboard.

Clean-Tech Investments Surge, With Solar in Lead

Global clean-tech venture investments rose 43% to $2 billion in the second quarter. Solar and biofuel startups garnered the biggest funding, while the IPO market for clean-tech was much hotter in China than the U.S.

How to Restart America's Innovation Engine

The global economy is awash in venture capital seeking the next big thing. But if America is to create start-ups again like it did in the 1990s, Harvard Business School professor William Sahlman thinks two specific things need to happen.

It's Show-Time for Bloom Energy's Supersecret Fuel Cells

After a long period of ever-escalating anticipation, the startup California cleantech company is finally unveiling its technology. Will the claims of breakthroughs in terms of efficiency, affordability and scalability get borne out at last? And how much will the long-term cost really be?