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click here. (Newser) – Human activity contributed to climate
change long before the Industrial Revolution, according to new
research. Scientists analyzing ice core samples from Greenland
found a spike in emissions of the greenhouse gas methane during
a 200-year period around 2,000 years ago, when the ancient Roman
and Chinese empires were at their peak, reports the Los Angeles
Times. Researchers believe the rise was caused by the widespread
use of charcoal as fuel and the burning of large areas of forest
to clear farmland. Back to Previous... Go to News Desk... Enjoy
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