Category Archives: Environment

Two Recent Studies Document Northward Migration of Animals

  Note:  An update to this topic was posted in November of 2011.   Two recent reports add to the growing evidence of animal migrations due to climate change.  While wild animals provide a number of benefits to mankind such as … Continue reading →

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Fire and Climate Change

A report in today’s issue of the magazine “Science” published by the American Association for the Advancement of Science (AAAS) provides a new prespective on the role of fire in Global Climate Change.  This publication, in the most prestigious U.S. … Continue reading →

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Younger, Thinner Arctic Ice Reported

The U.S. National Snow and Ice Data Center yesterday updated status of Arctic ice coverage (http://nsidc.org/arcticseaicenews/2009/040609.html) with the report that at the end of March the extent of ice coverage was similar to recent years, but below the longer-term 1979 … Continue reading →

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System Feedback and Tipping Points

Complex feedback processes increase global warming and may produce climate changes beyond our control. Continue reading →

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A Woodcutter

Policies to address Global Climate Change can devastate those following a centuries old life style. What is our moral obligation to these people? Continue reading →

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Tipping Points

Tipping points are basically thresholds beyond which small human activities will result in climatic changes which may be abrupt, drastic and irreversible. Continue reading →

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