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Politics : Formerly About Advanced Micro Devices

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To: Brumar89 who wrote (838104)

2/21/2015 2:36:01 PM

From: Wharf Rat

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"1970 predictions of worldwide chaos ought to be still valid if they ever were '

Dimming Recognized Worldwide
Mid-1980s to present
In the mid-1980s, when meteorologist Gerry Stanhill reported that a dramatic 22 percent reduction of sunlight had occurred in Israel between the 1950s and the 1980s, the news hardly made a splash in the scientific community or popular press. But Stanhill was not alone in measuring such a drop. When he combed the scientific literature, he found that other scientists had measured declines of 9 percent in Antarctica, 10 percent in areas of the U.S., 16 percent in parts of Great Britain, and almost 30 percent in one region of Russia. Alarmed by the trend, Stanhill coined the term "global dimming." By the turn of the 21st century, with mounting evidence of just how human pollution had caused it, global dimming finally gained the attention it warranted.

Left: NASA's Aqua satellite, launched in 2002, is filling in details in the big picture of global dimming. Data from Aqua indicates that aerosol pollution is cooling the climate by more than a degree Celsius (1.8°F).

pbs.org

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