Berkeley CSUA MOTD:Entry 50464
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2024/11/22 [General] UID:1000 Activity:popular
11/22   

2008/7/3-8 [Science/GlobalWarming] UID:50464 Activity:nil
7/3     Kill your TV - LCDs cause global warming:
        http://preview.tinyurl.com/6h8qpg [ceduna.yourguide.com.au]
        \_ I won't believe it until somebody makes a hockey-stick
           chart showing the correlation.
        \_ No, the creation of LCDs emit greenhouse gasses.
           \_ well, one of the chemicals used in the process.
2024/11/22 [General] UID:1000 Activity:popular
11/22   

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2009/11/26-12/6 [Science/GlobalWarming] UID:53545 Activity:nil
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2009/11/23-30 [Science/GlobalWarming] UID:53539 Activity:high
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        \_ What is impressive about breaking onto an academic server? I
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           \_ Way to miss the point. The hack itself was not impressive.
              The information that was exposed, however, make the above
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	...
Cache (2177 bytes)
preview.tinyurl.com/6h8qpg -> ceduna.yourguide.com.au/news/local/news/general/global-warming-link-to-flatscreen-tvs/802836.aspx
General Global warming link to flat-screen TVs Global warming link to flat-screen TVs BY ROSSLYN BEEBY, SCIENCE AND ENVIRONMENT REPORTER 3/07/2008 11:14:00 AM A toxic gas used to make flat-screen televisions and laptop computers could have a bigger greenhouse impact than the world's largest coal-fired power plants, according to new scientific research. Nitrogen trifluoride, a chemical cleaning agent used in flat screen production, is estimated to be 17,000 times more potent than carbon dioxide as a greenhouse gas. Professor Prather said this exceeded ''even that of the world's largest coal-fired power plants'', in the United States and China. Their greenhouse emissions are estimated at between 25 and 32 million tonnes. Global demand for the gas is set to double within two years, but there are no studies measuring its levels in the Earth's atmosphere. Professor Prather said claims that only 2 per cent of the gas potentially escaped to the atmosphere during its use, transport or disposal, conflicted with recent studies which showed ''a maximum destruction efficiency of less than 97 per cent''. Although part of a $US52 billion ($A54billion) global ''electronic gases'' market, nitrogen trifluoride isn't listed under the Kyoto Protocol because it was only manufactured in small amounts for niche markets when the treaty was agreed in 1997. It is a synthetic chemical produced in industrial quantities, it is not included in the Kyoto basket of greenhouse gases, or in national reporting under the United Nations Framework Convention on Climate Change,'' Professor Prather said. The gas was developed as an experimental rocket fuel in the 1960s, then used in chemical lasers for the United States Star Wars missile-defence system. Professor Prather warned a boom in global demand for flat-screen televisions and other flat-panel display products could lead to '' a trade off'' between more efficient use of the gas and ''faster throughput'' of manufacturing encouraging greater emissions. A leading CSIRO atmospheric scientist, Dr Paul Fraser said nitrogen trifluoride was one of a number of ''chemicals on concern'' not currently listed under the Kyoto Protocol.