Saturday, October 25, 2008


ENS - A gas used in manufacture of flat panel televisions, computer displays, microcircuits, and thin-film solar panels is 17,000 times more potent a greenhouse gas than carbon dioxide, and it is far more prevalent in the atmosphere than previously estimated. The powerful greenhouse gas nitrogen trifluoride, NF3, is at least four times more widespread than scientists had believed, according to new research by a team at Scripps Institution of Oceanography at the University of California, San Diego. . . The amount of the gas in the atmosphere, which could not be detected using previous techniques, had been estimated at less than 1,200 metric tons in 2006. The new research shows the actual amount was 4,200 metric tons. In 2008, about 5,400 metric tons of the gas was in the atmosphere, a quantity that is increasing at about 11 percent per year.

Journal Sentinel
- A government report claiming that bisphenol A is safe was written largely by the plastics industry and others with a financial stake in the controversial chemical, the Journal Sentinel found. Although the Food and Drug Administration will not reveal who prepared its draft, the agency's own documents show that the work was done primarily by those with the most to gain by downplaying concerns about the safety of the chemical. That includes Stephen Hentges, executive director of the American Chemistry Council's group on bisphenol A, who commissioned a review of all studies of the neurotoxicity of bisphenol A and submitted it to the FDA. The FDA then used that report as the foundation for its evaluation of the chemical on neural and behavioral development. The American Chemistry Council is a trade group representing chemical manufacturers.

ENN - The chair of the Intergovernmental Panel on Climate Change said the news media are not sufficiently addressing the severity of climate change at a meeting of U.S. environmental journalists. R.K. Pachauri, head of the 2,500-member IPCC, said that unless policies are enacted soon to mitigate greenhouse gas emissions, the global perils from shifting weather patterns and sea level rise will become worse in the coming years. . . Pachauri suggested that major news agencies now rely too much on high-level science reports or large climate-related events for their stories, rather than examples of climate change's ongoing effects. "We need to go beyond the cyclical coverage of climate change and emphasize the day-to-day relevance," he said.