Hot Startup »

Solar Startup Solasta Seeks Next Round

The solar firm was founded in 2006 with A round funding from Kleiner Perkins and claims its process could increase the efficiency of conventional amorphous silicon PV by up to 150 percent.

Air & Water

  • Greentech for Social Good

    A group of entrepreneurs have developed portable power generators and irrigation systems to serve some of the poorest communities in the world.

    Other Energy

    Ucilia Wang November 19, 2009
  • Cleantech Open: It’s All About the Chemicals

    Green chemistry seems to be one of the more interesting topics at today’s Cleantech Open in San Francisco.

    Startups

    Michael Kanellos November 17, 2009
  • Energy Storage: What Is the Cheapest Solution?

    By signing up for solar and wind power, utilities have to invest in energy storage. There are many options, but most are pricey.

    Grid Storage

    Ucilia Wang November 5, 2009
  • How Do You Define Green?

    How do you divide up the green market? There are actually lots of ways.

    Finance and VC

    Michael Kanellos October 27, 2009
  • Death by Electron

    In the quest for untainted food and energy efficient corporations, Advanced Electron Beams has come up with way to keep microbes out of dairy products.

    Air & Water

    Michael Kanellos October 20, 2009
  • Bioplastics for Hospitals, Electron Beams for Cleaning Bottles

    Germs. Kill ‘em all and let the recycler sort ‘em out. Pharmafilter is adopting bioplastics from Metabolix, while Advanced Electron Beans has branded its sterilization tech.

    Air & Water

    Michael Kanellos October 19, 2009
  • New Source of Drinking: The Air

    Atmospheric Water Systems sucks moisture from the atmosphere and puts it in your glass. It’s a tiny step toward water recycling.

    Air & Water

    Michael Kanellos October 13, 2009
  • Duke Plans Offshore Wind Pilot Project

    The utility expects to put up as much as $35 million to set up wind turbines off the North Carolina coast to about operating an offshore wind farm.

    Wind

    Ucilia Wang October 6, 2009
  • PARC’s Solution for Algae Fuel: Going Down the Drain

    A technology for water purification and toner cartridges could cut the onerous cost of getting algae out of water.

    Biofuels

    Michael Kanellos September 25, 2009
  • Storing Water Underground, Schlumberger Style

    The oil services giant has a water division too, and it’s working on using existing underground aquifers to store water, among other projects.

    Air & Water

    Jeff St. John September 15, 2009
  • Make 10% of Ocean a No-Go Zone, Says Cousteau

    Fabien Cousteau says the oceans can recover, but policies need to be enforced. He also cautiously favors aquaculture.

    Air & Water

    Michael Kanellos September 9, 2009
  • Can Sewage Save the World?

    A water recycling project at the University of Illinois could turn wastewater into methane, water and minerals. Will investors finally wake up to the opportunities?

    Air & Water

    Michael Kanellos September 4, 2009
  • Energy From Sea Water? Consider IBM Intrigued

    IBM’s Almaden Lab wants to prepare a proposal to study osmotic pressure gradients, said Spike Narayan, functional manager, science and tech, at IBM’s Almaden Research Center.

    Air & Water

    Michael Kanellos August 31, 2009
  • Woodpellets.com Gets $11M to Spread Its Fuel

    Wood pellets could be a clean and cheap alternative to heating oil, if its distribution can be improved. Woodpellets.com just landed $11 million to test the prospect.

    Air & Water

    Jeff St. John August 31, 2009
  • Water Purification for the Masses?

    The company’s new water purification system could help it expand beyond government entities to high-end resorts, power plants and remote communities.

    Air & Water

    Jeff St. John August 24, 2009
  • Feds Pump Cash Into Carbon Storage

    The government is providing $27.6 million to figure out if carbon capture and storage could prove a feasible way to reduce emissions from coal-fired power plants.

    Carbon Management

    Ucilia Wang August 24, 2009
  • An (Almost) Infinite Form of Power?

    Controversial Blacklight Power says it can generate massive amounts of heat with a new form of hydrogen. And it’s posted its papers.

    Batteries & Storage

    Michael Kanellos August 12, 2009
  • Duke Energy, China’s Huaneng Group Collaborate on Coal Carbon Capture

    The No. 3 U.S. utility and China’s largest electricity producer will share ideas on capturing carbon from coal-fired plants. The two governments are cooperating more on energy and climate change.

    Air & Water

    Jeff St. John August 10, 2009
  • The Next Green Wave: Ports

    Ports and ships are dirty and don’t get the same amount of attention as cars or buildings. That’s why it’s a big market.

    Air & Water

    Michael Kanellos July 30, 2009
  • Desalination: Can the Technology Go Elsewhere?

    Energy Recovery has taken over a big part of the desalination world. Now it is looking for other markets.

    Air & Water

    Michael Kanellos July 30, 2009
.