Falling metal space junk is changing Earth's upper atmosphere in ways we don't fully understand

A research plane that flew through Earth's stratosphere identified more than 20 elements that are linked to the aerospace industry. Experts predict that the problem could become much worse in the future.

Related Keywords

China ,Boulder ,Colorado ,United States ,Russia ,Daniel Murphy ,Chemical Sciences Laboratory In Boulder ,National Oceanic ,Atmospheric Administration ,Stratospheric Aerosol Processes ,Radiative Effects ,Sciences Laboratory ,