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Arguments that bring up "but years ago, scientists said the we were going to have an ice age!" or "years ago, scientists said the ozone layer was being eaten up and we'd all die of skin cancer" miss the point.
These problems were real. Scientists warned us, industry claimed that regulation would be their ruin, and politicians gave us the 'clean air act' and the 'montreal protocol.'
As a result, the particulate matter that was causing 'global dimming' is now filtered out at the factory level. And products containing ozone-destroying chemical agents have been fazed out. Our sky's are clearer, our lungs are less at risk, and the ozone-layer is expected to make a comeback by 2075.
Industry wasn't doomed.
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