Atmospheric CO2 risks increasing space junk: study

A build-up of carbon dioxide in the upper levels of Earth's atmosphere risks causing a faster accumulation of man-made space junk and resulting in more collisions, scientists said on Sunday. While it causes warming on Earth, CO2 conversely cools down the atmosphere and contracts its outermost layer, the thermosphere, where many satellites including the International Space Station (ISS) operate, said a study published in the journal Nature Geoscience. More

(Source: Space Daily - Nov 12)