Every year, 27.7 million tons of Saharan dust crosses the Atlantic Ocean and settles on the Amazon rainforest, delivering roughly the exact amount of phosphorus the rainforest loses to runoff, which m

The connection is one of those facts about the planet that nobody designed and almost no one outside the relevant atmospheric science literature knows about. Every year, somewhere between 180 and 200 million tons of fine particulate dust gets picked up from the Sahara Desert by trade winds, lifted into the upper atmosphere, and carried […]