Arctic Tipping Points - #1: Background And Recent History
Friday, April 16, 2010 - 11:14
in Astronomy & Space
Arctic Tipping Points - #1: Background And Recent History It is Spring, and with each passing day a greater area of Arctic sea ice has 24 hours of - albeit weak - sunshine every day. It is not surprising to see ice melting in these Lands Of The Midnight Sun. What is surprising to many is the current extent of ice, and rate of loss, compared with past records. "Every school boy learns that at the two ends of the earth the year is composed of one day and one night of equal length, and the intervening periods of twilight; but the mere recital of that fact makes no real impression on his consciousness. " read more