It acts like atmospheric sunscreen, which is why scientists keep a close eye on an ozone hole that appears seasonally over Antarctica. This year’s hole “is one of the largest and deepest in …
( read original story …)
It acts like atmospheric sunscreen, which is why scientists keep a close eye on an ozone hole that appears seasonally over Antarctica. This year’s hole “is one of the largest and deepest in …
( read original story …)