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Politics : View from the Center and Left -- Ignore unavailable to you. Want to Upgrade?

To: Suma who wrote (60776)	4/22/2008 2:36:57 PM
From: Lane3	Read Replies (1) \| Respond to of 541515

Well dear Karen we always have you for ballast... I'm ballast wherever I post, it seems.

To: Suma who wrote (60776)	4/22/2008 3:15:14 PM
From: Bridge Player	Read Replies (1) \| Respond to of 541515

Few are doubting that the earth is in a long-wave warming period. Also, that there is an increasing amount of CO2 in the atmosphere. What confuses many people is the difference between correlation and causation. They are not the same, and the failure of many to accept and understand the difference is a major cause of failure to communicate with each other. Global warming started long before the "Industrial Revolution" and the invention of the internal combustion engine. Global warming began 18,000 years ago as the earth started warming its way out of the Pleistocene Ice Age-- a time when much of North America, Europe, and Asia lay buried beneath great sheets of glacial ice. Earth's climate and the biosphere have been in constant flux, dominated by ice ages and glaciers for the past several million years. We are currently enjoying a temporary reprieve from the deep freeze. Approximately every 100,000 years Earth's climate warms up temporarily. These warm periods, called interglacial periods, appear to last approximately 15,000 to 20,000 years before regressing back to a cold ice age climate. At year 18,000 and counting our current interglacial vacation from the Ice Age is much nearer its end than its beginning. Global warming during Earth's current interglacial warm period has greatly altered our environment and the distribution and diversity of all life. For example: Approximately 15,000 years ago the earth had warmed sufficiently to halt the advance of glaciers, and sea levels worldwide began to rise. By 8,000 years ago the land bridge across the Bering Strait was drowned, cutting off the migration of men and animals to North America. Since the end of the Ice Age, Earth's temperature has risen approximately 16 degrees F and sea levels have risen a total of 300 feet! Forests have returned where once there was only ice. There is much more here if you care to examine it. geocraft.com