Guardian: The global warming effect of 'black carbon,' or soot, has been greatly exaggerated due to mistaken assumptions about the atmospheric altitude at which its particles are concentrated, according to a new study.
Emissions should be the focus of climate efforts, rather than soot, say team in a Nature paper.
Soot plumes belch from chimneys, stoves and forest fires, causing numerous health ailments and, it was thought, a contribution to climate change second only to carbon dioxide.
But when recent...