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POPS Engineer's work may reduce jet travel's role in global warming Backed by government and industry grants, Dryer is leading two new research efforts to advance these technologies. The first, a major project funded by the U.S. Air Force, is focused on developing computational and kinetic models that accurately simulate the burning of jet fuel, a complex and poorly characterized mix of chemicals.
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POPSEarth could 'flip' into environmental disaster The study looked back over more than 400,000 years of climate records from deep ice cores and found evidence to suggest that rapid climate change over a period of centuries, or even decades, have in the past occurred once the world began to heat up and ice sheets started melting. "The unnatural "forcing" of the climate as a result of man-made emissions of carbon dioxide and other greenhouse gases threatens to generate a "flip" in the climate that could "spark a cataclysm" in the ice sheets of Antarctica and Greenland. Dramatic climatic flips have occurred in the past but none has happened since the development of complex human societies, which are unlikely to survive the same sort of environmental changes if they occurred now." It has already flipped, contrails, shiptrails, and other trails have , so far, saved the earth. jc
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