Word: carbons
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Dates: during 1990-1999
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...Federal Government. Last month the EPA proposed the first nationwide emissions standards for mowers, garden tractors and other gas- powered garden machinery. The regulations go into effect next year, and by 2003 they are expected to reduce hydrocarbon emissions produced by such equipment 32% and carbon-monoxide emissions...
...pivotal discovery came in 1976, when Drs. J. Michael Bishop and Harold Varmus at the University of California, San Francisco, made a startling observation. They saw that a viral gene known to cause cancer in chickens was practically a carbon copy of a normal gene found in animal and human cells. The virus had somehow stolen a perfectly good gene and put it to bad use. This finding helped lead to a general conclusion: cells become cancerous because their normal genetic machinery goes awry. The culprits that initiate the damage can be viruses, radiation, environmental poisons, defective genes inherited from...
...even though a number of new pollution regulations have been implemented, carbon dioxide emissions continue to be a major problem for China, Song said...
China has the third highest level of carbon dioxide emissions in the world, he said, adding that the U.S. ranks first. Current attempts to correct the problem include developing clean coal technology and protecting forests, which consume large quantities of carbon dioxide...
LAKE PLACID, NY--Upon further review, instant replay is a be-Littleing thought in the ECAC semifinals--Game Two was almsot a carbon copy of the first...