Dave
06-01-07, 10:39
Using fire scars on nearly 5,000 tree stumps dating back 450 years, scientists have found that extended periods of major wildfires in the West occurred when the North Atlantic Ocean was going through periodic warming.
More... (http://www.enn.com/today.html?id=11922)
More... (http://www.enn.com/today.html?id=11922)