Mongabay: Climate scientists see silver lining in Bali volcano’s ash cloud

„Scientists are monitoring the emission of sulfur dioxide from the ongoing eruption of Indonesia’s Mount Agung to better understand the climate-cooling effects of the particulate’s dispersal in the stratosphere. They hope that by artificially recreating the phenomenon, they can block the amount of sunlight reaching the Earth’s surface, and thereby “geoengineer” a cooler climate.“