Renewable Energy

Birth of a new wedge: agrichar (terra preta)

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The first meeting of the International Agrichar Initiative convened about 100 scientists, policymakers, farmers and investors with the goal of birthing an entire new industry to produce a biofuel that goes beyond carbon neutral and is actually carbon negative. The industry could provide a “wedge” of carbon reduction amounting to a minimum of ten percent of world emissions and possibly much more.

Construction starts on world’s largest solar array

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A groundbreaking will take place Monday at Nellis Air Force Base, just north of Las Vegas, Nevada, in the desolate, arid, windswept Mojave Desert. The ceremony will initiate construction on what will be the largest solar photovoltaic (PV) array in the United States, capable of producing 15-18 megawatts of power. The project highlights both the promise and the pitfalls of PV.

Nuclear reactions may produce phones’ power

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For several years a Chicago entrepreneur has labored quietly building a company to create an alternative to batteries for powering cell phones and other small gadgets. The company deliberately kept a low profile because its core technology, first called cold fusion 18 years ago, has long been ridiculed by mainstream scientists. The phenomenon now is called low-energy nuclear reactions (LENR).