A 12-year-old Portand student develops a revolutionary new solar cell; CleanTech seeks Wildlife Biologists, and Holland burns tons of chicken poo for energy.

12-year-old Revolutionizes the Solar Cell: A Portland seventh grader — yes, he’s 12 years old — has made a potentially breakthrough discovery in solar cell technology. William Yuan has developed a three-dimensional cell which absorbs both visible and ultraviolet light. The combination could greatly improve solar cell efficiency, leading to smaller and much cheaper panel arrays. Yuan gets $25,000 and a trip to the Library of Congress for his troubles, and will no doubt have little trouble finding a great college in just a few years. (Wired)

The hottest tech job in America - Wildlife biologist: Fortune magazine has an interesting take on the hottest job in CleanTech — and it’s not an engineering position. With so many large-scale renewable energy projects heading into the field, utility companies have an urgent need for biologists to determine the impact on local wildlife. Salaries can run into six figures, and have spiked up to 20 percent this year in response to demand. (CNN Money/Fortune)

Dutch Biomass Plant to Use Chicken Manure to Power 90,000 Homes: The Netherlands is now host to the world’s largest power plant fired by chicken manure. The 38.5 megawatt operation will create enough power to light about 90,000 homes — and burn off 440,000 tons of poultry waste each year. The ash left over will also be sold as high quality organic fertilizer.

Mitsubishi Adopts Fuel Cell Unit for Electric Wheelchairs: Wheelchairs are high-draw electrical devices which require a pretty robust power pack. Unfortunately, weight and size is a major consideration when it comes to constructing a self-propelled wheelchair. Enter Mitsubishi and the hydrogen fuel cell. Mitsubishi is testing microwave-sized fuel cells for the wheelchair market. The current units can run for about 8 hours on a 4 liter fuel tank. That’s three times as much range as Mitsubishi’s previous generation of fuel cells, introduced earlier this year. (Clean Technica)

Leave your ride at home for World Car Free Day on Monday: And a reminder to dust off that bicycle or grab a public transportation schedule over the weekend — Monday is World Car Free Day. The event is held each September 22nd, and has now spread to 38 nations. The mode of transportation is up to you, but organizers hope you’ll leave your car in the driveway for 24 hours. You’ll find a full slate of World Car Free Day resources at their website. (Autoblog Green)