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Publisher
PBS
Pub. Date
[2019]
Physical Desc
1 videodisc (56 min.) : sound, color with black and white sequences ; 4 3/4 in.
Language
English
Description
The unsettling discovery that chemical gasses (CFCs) possibly damaged the ozone layer turned the world upside down in the 1980s. Without the ozone layer, our planet would have no protection against the sun. Scientists and politicians convinced two of the most unlikely eco-warriors in history, Ronald Reagan and Margaret Thatcher, to take action. This resulted in a historic treaty: for the very first time, the world decided to ban environmentally harmful...
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