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  • CNBC Poll: Is The U.S. Competitive In Clean Energy? Wednesday, 20 Apr 2011 | 12:24 PM ET
    CNBC Investing In Green Tech 2011

    The U.S. was an early leader in many areas, but has since slipped a bit. Some say cleantech could be the nest Internet and that the U.S. needs to exploit its considerable expertise. What do you think?

  • Transocean Is Still Not a 'Buy': Analyst Wednesday, 20 Apr 2011 | 6:19 AM ET
    A boat works uses a protective boom to collect oil that has leaked from the Deepwater Horizon wellhead in the Gulf of Mexico.

    Exactly one year ago, on April 20th, 2010, shares in Transocean - already listed on the NYSE - started trading on the Swiss stock exchange.

  • Crisis in the Gulf

    Investing is a cold-hearted endeavor, and as the response to the BP spill evolved, investors tried to find ways to profit from it. Shares of oil-dispersant maker Nalco rose in the wake of the disaster but have since fallen, as its product is alleged to have been as bad for the ecology as the oil that spilled.

  • Chemicals Were Injected Into Wells, Report Says Sunday, 17 Apr 2011 | 12:39 PM ET
    CNBC Investing In Green Tech 2011

    Oil and gas companies injected hundreds of millions of gallons of hazardous or carcinogenic chemicals into wells in more than 13 states from 2005 to 2009, according to an investigation by Congressional Democrats. The New York Times reports.

  • CNBC Quiz: What's The Best Alternative Fuel? Friday, 15 Apr 2011 | 3:34 PM ET
    CNBC Investing In Green Tech 2011
  • CNBC Investing In Green Tech 2011

    Developing alternative fuels takes money and policies as much as it does will and time.  Take NASA as an example.

  • CNBC Poll: Do You Believe In The Peak Oil Theory Friday, 15 Apr 2011 | 2:59 PM ET
    CNBC Investing In Green Tech 2011

    Optimists say there's plenty of untapped oil in the world. Skeptics say there's a finite amount and we're certain to run out. What do you think?

  • 3D Technology Could Brighten Solar-Industry Output Friday, 15 Apr 2011 | 2:57 PM ET
    Winemaker Greg Allen walks between floating solar panels on a pond behind the Far Niente winery in Oakville, Calif. The winery is trying out a new approach in the volts-for-vines tradeoff, saving vineyard space by floating solar panels on a pond that recycles water left over from the winemaking process. (AP Photo/Eric Risberg)

    With the solar energy industry booming, companies large and small continue to look for ways to squeeze efficiencies out of decades-old technology. So why not 3D technology.

  • Stonyfield Farm yogurt cup made from plant-based Ingeo

    A growing industry of so-called bioplastics — plastics made out of plants like corn or sugarcane, or plastics that simply biodegrade — is rising up to meet the need of a small, but dedicated group of consumers who want green products.

  • Petrotech Oil Purification Unit Onsite

    The three-decade-old technology for industrial systems is not only affordable, but generates revenue for companies that use it — assuming they know about it.

  • Ultrapure Cerium

    Surging prices for many REMs and the possibility of hoarding have companies on the offensive, spurring a new effort to reclaim valuable elements from mountains of e-waste.

  • Corporate America Embraces The Green Data Server Friday, 15 Apr 2011 | 2:53 PM ET

    With ever-increasing amounts of data being generated, energy-thirsty data centers are quickly becoming many firms’ most important green initiative.

  • greenGlobe_light_200x150.jpg

    We can win if we put more ingenuity into using resources that are close to home, rather than into figuring out new ways to snatch another barrel of oil from war zones in the Middle East or kilowatts of electricity from sources that will one day make our food and water glow in the dark, says Terry Tamminen

  • NYSE Trader

    Corporate hedging, the science of locking in predetermined prices to insure against future, has been around since at least the 1980s. But a combination of global diversification over the last decade and a rash of geopolitical events from Japan to Libya are causing many companies to reemphasize the importance of their hedging, say traders and corporate executives.

  • Toyota Sells 1 Millionth Prius Hybrid in US Wednesday, 6 Apr 2011 | 8:48 AM ET
    2010 Prius

    The automaker said Wednesday that the Prius has been the top-selling hybrid in the U.S. since it went on sale 11 years ago.

  • a_hole_at_the_bottom_of_sea.jpg

    What Achenbach has done in his meticulously researched book, is take us behind the scenes revealing the struggles and battles between the BP engineers and government scientists who were working (together and often against each other) to kill the runaway well.

  • Today's Market Outlook Tuesday, 5 Apr 2011 | 6:20 AM ET
    Today's Market Outlook

    Kevin Ferry, Cronus Futures Management, discusses what happened in overnight trading as well as what he wishes would happen with the Fed. And the House tries to ban the EPA from regulating greenhouse gases, with Rep. Ed Whitfield (R-Ky.) Energy & Commerce Committee.

  • Expectations of inflation have supported oil prices, but even though interest rates are set to rise, crude is unlikely to fall too much, Johannes Benigni, managing director at JBC Energy told CNBC Tuesday.

  • 4 Reasons to Short Oil: Economist Tuesday, 5 Apr 2011 | 2:26 AM ET
    Oil Refinery

    Oil prices have recovered from a short sharp sell-off late last month to hit fresh highs but could be about to sell off again, according to Julian Jessop, the chief international economist at Capital Economics.