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After reading FishOutofWater's latest piece on how we've changed the current patterns in the Arctic Ocean I saw this news about a tragedy that went on for decades, caused not by bad farming practices as was claimed at the time (the actual perpetrators blaming the victims) but by industrialized countries burning massive amounts of one of the dirtiest fuels available, coal.

Coal-Burning in the U.S. and Europe Caused a Massive African Drought  

A famine ravaged North Africa's Sahel region from the mid-1960s through the early 1980s, killing 100,000 people and leaving 750,000 more dependent on food aid. Between 1972 and 1974, the U.S. shipped 600,000 tons of grain to the region, which accounted for about half of the total relief at the time. But even as they worked to save Africans from starvation, what Westerners at the time didn't know is that the United States and Europe played a big role in the drought itself.

New research from the University of Washington shows that air pollution from the Northern Hemisphere indirectly caused reduced rainfall over Africa's largely arid Sahel region, causing Lake Chad, a major local water source, to dry up, and leading to widespread crop failures.

Originally, the drought was blamed on overgrazing and poor land management, but a forthcoming study in Geophysical Research Letters shows that the environmental catastrophe was partly the result of factory emissions in the Western world. As the University of Washington puts it:

Aerosols emanating from coal-burning factories in the United States and Europe during the 1960s, '70s and '80s cooled the entire Northern Hemisphere, shifting tropical rain bands south. Rains no longer reached the Sahel region, a band that spans the African continent just below the Sahara desert.
I can remember the horrific accounts of those famines.

                                              Uganda 1980

As further proof, the researchers found that the normal rain patterns were restored soon after clean-air laws were passed in Europe and the U.S.

These days, it appears the trend is being reversed: The Northern Hemisphere is warming faster than the Southern Hemisphere, a trend that's shifting tropical rainfall northward.

This isn't the 60s, 70s, or 80s any more. We've got to realize that coal is best left in the ground.

Originally posted to Lefty Coaster on Mon Jun 10, 2013 at 11:52 PM PDT.

Also republished by EcoJustice, Climate Hawks, DK GreenRoots, and Climate Change SOS.

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