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Saturday, November 08, 2008

Getting too warm for comfort....

Students in our first year seminar course "Local Choices, Global Effects" recently completed a project on Energy. Subsequently, in their reflections, most students mentioned that they had become much more aware of global warming and its consequences by doing this project. One more aware citizen is one step forward.

Research on Arctic and North Atlantic ecosystems shows the recent warming trend counts as the most dramatic climate change since the onset of human civilization 5,000 years ago, according to studies published Thursday.

WSJ, in an article titled "A New Dawn" reports that there is a growing consensus among climate scientists that we have less than eight years to start making a significant impact on CO2 and other greenhouse gas emissions, eight years to move from Berkeley's solipsism to Johnson's pragmatism. Thereafter, as tipping points are reached, as feedback loops strengthen, the emissions curve will rise too quickly for us to restrain it. In the words of John Schellnhuber, one of Europe's leading climate scientists and Chief Scientific Adviser to Angela Merkel, the German Chancellor, "what is required is an industrial revolution for sustainability, starting now."

To be effective, this is only possible at the level of international cooperation -- far more difficult to achieve than any technological breakthrough. There is a rendezvous next year in Copenhagen in late November which the entire world of climate expertise is preparing itself for and which is considered by many in the field to be our best and possibly last hope of addressing the problem before it runs away from us. It is the truly global successor to Kyoto, known in the trade as COP (Conference of Parties) 15. There is a case to be made that it will be one of the most important international meetings ever convened. If it does not result in practical, radical measures, the fight to control our future could well be lost. Every nation on the planet will be represented. The general feeling is that the conference cannot be allowed to fail. And it cannot succeed without the leadership of the United States. There are fears that Mr. Obama will move too cautiously on climate change for political reasons, and that would be a tragic error. As Mr. Schellnhuber says, "If he were prepared to come in person to Copenhagen and make a speech, a bold commitment, similar to what Reagan did in Reykjavik, he would become a hero of the planet, for good."

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Jennifer Viegas reported in Discovery News on Oct. 31, 2008 -that if it seems like spiders, scorpions, ticks and mites have been around forever, it's because they nearly have, according to new genetic research that found these arachnids first emerged at least 400 to 450 million years ago. The study, published in the latest issue of Experimental and Applied Acarology, extends the known world presence of these creepy crawlies by over 200 million years. The oldest fossil spider is 125 to 135 million years old, while the oldest fossil scorpion is around 200 million years old. These invertebrates could even have emerged much earlier than this latest study determined. "A horseshoe crab dating to 475 million years ago provided one of our anchor dates, and this crab actually looked quite modern, as did a Devonian period (416 to 359 million years ago) mite that was one very modern-looking mite," co-author Marjorie Hoy told Discovery News. Hoy, a University of Florida entomologist, added, "I don't think the individuals just suddenly appeared on Earth, so it's likely these invertebrates are even older than we estimated."

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