So carbon dioxide DOESN'T cause forest fires?!

Human impacts have managed to curtail fires in most areas in 20th century

The researchers found that a 100-year decline in wildfires worldwide - from 1870 to 1970 - was recorded despite increasing temperatures and population growth.
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During the last 2,000 years, fire activity was highest between 1750 and 1870.

"This was a period when several factors combined to generate conditions favorable to wildfires," Marlon said.