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Politics : The Environmentalist Thread

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To: Wharf Rat who wrote (8477)	12/7/2006 1:56:54 PM
From: Maurice Winn	Read Replies (3) of 36921

Thanks for the interesting links to serious information Wharfie. They show we have nothing much to worry about. The sea level rise is at MOST going to be 1 metre over the next century. That's not even the size of a mini-tsunami so it's irrelevant. And over 100 years - yawn... we'll all die waiting. The next generation can build their houses slightly uphill to avoid tsunamis [and also global warming worries]. Interesting that Antarctica is a monster moisture catcher. As things warm up, precipitation over Antarctica will increase, which means no sea level rise. They didn't suggest any problem at all with Antarctica, though they think Greenland could become reasonably habitable. Which would be a good thing. Though it's quite fun flying over it and being amazed at the vast quantity of ice burying it. The temperature rises projected are averages, so I suppose hot places won't increase much in temperature, but colder places will increase a lot, so that aspect of global warming will be great. We could use a LOT of global warming in New Zealand. <Since the mid-1900s, CO2 levels have increased at an average annual rate in excess of 1 ppm, due to a combination of natural processes and increased combustion of fossil fuels. The average CO2 concentration in the atmosphere is now above 380 ppm and the rate of increase has been above 2% annually over the past five years. > So you are saying [they are saying] that over the past five years, CO2 concentration has increased by 8 ppm per year, for a total of 40 ppm increase. 2% of 380ppm = 8 ppm x 5 = 40 ppm Gee, I didn't think it was that much. Got that graph handy again and we can check it. How come it suddenly went up by 8 ppm per year when it was going at only 1 ppm before that? Carbon production hasn't increased much over the last 20 years. Mqurice

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