Florida

So what’s up with the biofuels sector? Two biofuels companies last week filed unpriced initial public offerings (IPOs) with the Securities and Exchange Commission and a third did the same earlier this summer. A fourth biofuels company completed an IPO in April 2010. 

With unemployment on everyone’s mind, the Obama administration has been touting “green” projects as a source of new jobs. Now the Solar Energy Industries Association (SEIA) has confirmed that some government programs can do just that -- create jobs.

A paper on rooftop solar photovoltaic (PV) capacity and market penetration in the U.S., written by three National Renewable Energy Laboratory colleagues (Easan Drury, Paul Denholm and Robert Margolis), shows that fully 1 gigawatt (GW) of the world’s 15 gigawatts of solar PV was installed in the U.S. alone by December of 2009.

In a move that is certain to change the color paradigm for roofing shingles, last week U.S. Department of Energy (DOE) Secretary Steven Chu directed his agency to implement cool roof technologies in all new buildings, roof replacements and roofing retrofits whose energy savings justify the cost of replacement.

Hundreds of companies are pursuing different technologies and strategies they believe will yield a winning next-generation biofuel.  To increase its odds of backing a winner, Khosla Ventures has made no less than nine investments in this sector.

BP plc (NYSE: BP) took steps today to become the second largest next-generation biofuels producer in the United

There is a wide range of companies developing biofuels -- and we are focusing today on the two most advanced pure-play publicly traded companies: 

The only bright spot in four quarters of darkness for alternative energy and clean tech stocks came from the global water sector as mirrored by the Claymore S&P Global Water Index exchanged traded fund (ETF) (NYSE: CGW).

The BP oil disaster has captured the eyes of billions, and rightly so.  However, I am choosing not to introduce this post with a news update on the latest from the tragedy -- you'll get enough while reading the top ten.

New data has been released showing that the massive BP oil slick in the Gulf of Mexico is already contaminating one major protected North American Marine Ecoregion, containing more than 60-perce