Opinion | Congress is choosing to prolong the covid-19 pandemic

Gavin Yamey is a physician and professor of global health and public policy at Duke University, where he directs the Center for Policy Impact in Global Health. Boghuma Kabisen Titanji…

New study shows iodine from desert dust can decrease ozone air pollution but could prolong greenhouse gas lifetimes — ScienceDaily

When winds loft fine desert dust high into the atmosphere, iodine in that dust can trigger chemical reactions that destroy some air pollution, but also let greenhouse gases stick around…