Greentech Media

The startup will monitor renewable-energy production from small residential and commercial installations for free – aside from a cut of the profits.

The engineering company and geothermal energy equipment maker will help build five power plants in Iceland.

Sopogy, Sapphire Energy and EdeniQ raise venture capital, while Abu Dhabi invests $2 billion in thin film and the U.S. D.O.E. commits up to $130 million to fuel cells.

Low-key startup, backed by Kleiner Perkins and Khosla Ventures, seeks a second round of financing to support the development of "engineered" geothermal projects and supporting technologies.

Marine Current Turbines installs the largest tidal turbine, while Ocean Power Technologies and Griffin Energy create a wave-power joint venture and Hydro Tasmania and Biopower Systems plan to test two prototypes. But can they all survive the salt, surf and sand?

Despite moaning and handwringing around biofuels, DuPont jumped into a $140 million joint venture and several startups got cash.

Wim Sinke, an executive committee member of the EU PV Platform's scientific working group, called the target of reaching 20 percent renewable energy "ambitious" for the country, and said major policy changes would be needed to meet the goal.

The Atlanta company agrees to build a demonstration plant that will turn waste into fuel for the green oasis being constructed in the desert.

Ernst & Young says greentech saw growth in VC investment during 1Q while overall VC investments declined. Meanwhile, cellulosic-ethanol developer Mascoma pulls in $61 million, barley-to-ethanol maker Osage Bio Energy harvests $300 million, Real Goods Solar doesn't have a real good IPO and more.

After nixing its support of the $1.8 billion FutureGen project earlier this year, the U.S. government announces $126.6 million for two other carbon-storage projects.

In an industry that has seen only a few exits, PricewaterhouseCoopers and the National Venture Capital Association predict more IPOs and acquisitions next year. Meanwhile, they say venture investments grew 45 percent in 2007.

Kleiner Perkins and Generation Investment Management close greentech funds, while SunRay, Sunovia, SkyFuel, Mascoma, Range Fuels and ReliOn – among others – score cash.

More than half of the staff scientists at the U.S. EPA say they have experienced political interference, according to a study from the Union of Concerned Scientists. Meanwhile, the California Clean Energy Fund opens a new center as its public policy arm.

In the country that hosted the Kyoto Protocol and wrote the book on solar policy, the wind-power industry has ground almost to a halt. Among the culprits: policy, cost and technology challenges.

As the last round of U.S. presidential primaries kicks off in Pennsylvania on Tuesday, also known as Earth Day, the cleantech community reflects on which candidate to call its own.

The greentech market is moving ahead. These are the companies leading the way.

More startups and investors are coming aboard the small-wind power market. But will obstacles such as permitting and zoning laws, high upfront costs and a lack of a federal incentive blow these technologies off course?

It's a blimp, it's a balloon, it's a…wind turbine? With an eye on a $12 million second round, Magenn Power hopes to prove its airship-based technology is more than just neat pictures on a Web site.