NASA and 11 other research groups are testing two non-petroleum-based jet fuels in the pursuit of alternative fuels that can power commercial jets and address rising oil costs.
Read the article at NASA Puts Alternative Jet Fuels Put to the Test (NASA).
University of Nevada, Reno has a demonstration project that turns algae into biofuel. It is being done to show that the process is economical.
Read the article at Nevada conducts algae-to-biofuel research project (UNR).
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Findings based on nine studies on three of the world’s 19 subpopulations of polar bears conclude: | |
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| “Projected changes in future sea ice conditions, if realized, will result in loss of approximately 2/3 of the world’s current polar bear population by the mid 21st century. | ||
| Because the observed trajectory of Arctic sea ice decline appears to be underestimated by currently available models, this assessment of future polar bear status may be conservative. “ | ||
| U.S. Geological Survey New Polar Bear Finding | ||
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| Minimum Arctic ice packComparing the annual minimum extent in September for 2005 and 2007. One of the lowest minimum, 2007 lost 23 percent more that 2005, another low year. The state of California’s outline shows magnitude of lost ice pack. | ||
| Modified from NASA/Goddard Space Flight Center Scientific Visualization Studio. The Blue Marble data is courtesy of Reto Stockli (NASA/GSFC). | ||
