GlobalPost: The phrase climate change often summons images of exhaust-spewing trucks and coal plants blackening the skies.
But theres a lesser-known source of emissions that the public should fear alongside traffic jams and filthy factories. And if this top polluter isnt reined in, humanitys efforts to ward off climate change disaster -- exemplified by the recent 196-country United Nations agreement in Paris -- could be doomed.
That threat? Annual infernos driven by slash-and-burn farming that sweep...