Weatherwatch: tiny particles in the air can trigger massive storms

US scientists taking measurements above the Amazon rainforest have recorded the effects of smoke and aerosols on the weatherMankind has made the world warmer, but we’ve also made it stormier. In a study conducted over the Amazon rainforest, scientists have shown that tiny particles – smaller than one-thousandth of the width of a human hair – cause storms to intensify, and potentially have knock-on effects for weather around the world.Jiwen Fan, from the US Department of Energy&