The hole in the ozone layer hit home for Reagan, the President's former aides say in this exclusive clip from a new PBS documentary ...
YouTube on MSN
How humanity saved the ozone layer
On May 16, 1985, the discovery of a massive hole in the ozone layer above Antarctica prompted global concern about rising skin cancer rates and potential global temperature increases of up to 2.5 ...
Ozone pollution is rising worldwide, frequently exceeding safety thresholds in urban centers and industrial regions. Its health risks are well-documented: breathing ozone can worsen asthma, damage ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results