Despite CFC ban, ozone hole won't heal until 2070, NASA finds
Instead, changes in the South Pole's ozone hole from year-to-year are likely the result of natural variations in wind patterns, researchers said here Wednesday in a news conference at the annual meeting of the American Geophysical Union. "Ozone is ...
Earth's Ozone on Bumpy Road to Recovery
Hole In Ozone Layer Expected To Make Full Recovery By 2070: NASA
NASA says ozone hole stabilizing but won't fully recover until 2070