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Subject Extreme Earth Changes Documented By NASA

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Original Message In the early 1980s, scientists began to realize that CFCs were creating a thin spot—a hole—in the ozone layer over Antarctica every spring. This series of satellite images shows the ozone hole on the day of its maximum depth each year from 1979 through 2010.

Antarctic Ozone Hole-

September 17, 1979

September 12, 2011

The world is getting warmer, whatever the cause. According to an analysis by NASA scientists, the average global temperature has increased by about 0.8°Celsius (1.4° Fahrenheit) since 1880. Two-thirds of the warming has occurred since 1975

Global Temperatures-

1880 - 1889

2000 - 2009

In early 2002, scientists monitoring daily satellite images of the Antarctic Peninsula watched in amazement as almost the entire Larsen B Ice Shelf splintered and collapsed in just over one month. They had never witnessed such a large area disintegrate so rapidly.

Larsen-B Ice Shelf-

January 31, 2002

April 13, 2002

More at link
[link to earthobservatory.nasa.gov]

Pictures (click to insert)





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