(01-08) 04:00 PST Washington – –
Silicon Valley venture capitalist John Doerr, whose early investments helped launch Google and Amazon, delivered a stark warning to Congress on Wednesday that the United States is on the verge of being left behind in the green tech revolution.
Technorati Tags:
Economic Stimulus, Sustainable Economy, Sustainable Investing
Tue, Jan 20, 2009
What we are about to present is called industrial symbiosis. It’s an application of the broad emerging field of industrial ecology, a hybrid of technological, Earth, economical and social sciences aimed at sustainable development and efficiency. At its core lies the biological analogy according to which facilities related to industry are regarded as inherent or embedded in the ecosystem.
The essential idea is this: The more an industrial complex resembles a biological system (from the material and energy flow point of view), the better and more effective it is.
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Industrial Ecology
Technology Review: Blogs: TR Editors’ blog: A Dirt-Bag Fuel Cell
A simple microbial fuel cell could offer reliable power in the developing world.
Wednesday, January 14, 2009
By Kristina Grifantini
A startup that is striving to bring energy to countries that lack reliable power has developed a remarkably simple new microbial fuel-cell design: grain bags, stuffed with metal and dirt. Lebônê, a startup based at Harvard University, has already shown how to make fuel cells from buckets full of wastewater, with a graphite cloth as the anode and chicken wire as the cathode. In this setup, bacteria extract electrons from organic waste at the anode to generate small amounts of power–enough to charge, say, a flashlight or cell phone.
Technorati Tags:
Emerging Tech for Energy, Sustainable Energy
Technology Review: Blogs: Guest Blog: Dispelling Carbon Capture’s Scaling Myth
Dispelling Carbon Capture’s Scaling Myth
Pipelines needed to deploy CCS technology pose little impediment, according to an overlooked national lab study.
Wednesday, January 07, 2009
By Peter Fairley
PNNL estimates that CO2 pipeline build (red or blue) will look slim compared with natural-gas pipeline growth (yellow). [Larger image]
Credit: PNNL
Critics of carbon capture and storage (CCS) often deride the scale of infrastructure required for CCS to make a meaningful dent in global carbon emissions–not just in equipment to capture emissions at power plants (and other “point” sources of CO2), but also in pipelines to move the captured CO2 to storage sites. But an overlooked recent study by t
Technical advances jump-start electric cars, wind turbines, and solar power.
Great article with the lastest on:
solar concentrators
hybrid batteries.
storing solar power,
improvements in wind power efficiency
and other emerging technologies that are making renewable-power costs competitive with current technologies.
Technology Review:
By TR Editors
Homeowners can knock 20 to 40 percent off their electricity bills with a new wind turbine that can be mounted directly on a building.
The seven-foot-wide plastic turbine has a ring around its rotors that diffuses noise and limits vibration; the company claims that the turbine is no louder than a whisper. In windy locations, its power output should be about 2,000 kilowatt-hours a year.