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Nanoengineered Concrete Could Cut Carbon Dioxide Emissions (View Original Story)
Source: Posted: 02-02-2007 at 06:00:56
| While government leaders argue about the practicality of reducing world emissions of carbon dioxide, researchers are seeking ways to make it happen. One group of engineers at MIT is focusing its work on the nanostructure of concrete, the world's most widely used material. The production of cement, the primary component of concrete, accounts for 5 to 10 percent of the world's total carbon dioxide emissions; the process is an important contributor to global warming. |
Evidence For Human-caused Global Warming Is Now 'Unequivocal' (View Original Story)
Source: Posted: 02-02-2007 at 06:00:56
| The first major global assessment of climate change science in six years has concluded that changes in the atmosphere, the oceans and glaciers and ice caps show unequivocally that the world is warming. The Intergovernmental Panel on Climate Change (IPCC) concludes that major advances in climate modelling and the collection and analysis of data now give scientists "very high confidence" (at least a 9 out of 10 chance of being correct) in their understanding of how human activities are causing the world to warm. This level of confidence is much greater than what could be achieved in 2001 when the IPCC issued its last major report. |
February 2: It's Not Just For Groundhogs Anymore (View Original Story)
Source: Posted: 02-02-2007 at 06:00:56
| Groundhogs and other hibernators take a very sensible approach to winter: They slip into a state of suspended animation and let the worst of the cold weather pass. The cold prompts profound physiological changes in these animals, causing their normally fast metabolism to come almost to a stop during winter. With metabolism slowed to a crawl, the animal draws on its fat stores sparingly to make it through the winter. |
Pond Scum: Fueling Our Future? (View Original Story)
Source: Posted: 02-02-2007 at 06:00:56
| Utah State University researchers are using an innovative approach that takes oil from algae and converts it to biodiesel fuel. USU is currently conducting research on algae and plans to produce an algae-biodiesel that is cost-competitive by 2009. Algae, plainly referred to as pond scum, can produce up to 10,000 gallons of oil per acre and can be grown virtually anywhere. |
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