“There was the misconception that, because Africa is warm anyway, people are tolerant to the heat,” she said. “I think that tolerance level is now superseded.”
archived (Wayback Machine):
You must log in or # to comment.
But certain aerosols—like sulfate particles, which are emitted along with carbon dioxide when coal is burned—act like mirrors that reflect some solar radiation away from the planet, thus cooling it.
Before the 1980s, cooling aerosols and warming greenhouse gas emissions “were compensating each other,” he said. “So the net effect of humans was balanced out.”