Montreal Protocol
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A Banned Threat to the Ozone Reappears
Scientists find evidence that a chemical phased out in 1987 is being manufactured again
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Thirty Years After the Montreal Pact, Solving the Ozone Problem Remains Elusive
The ozone hole over Antarctica remains nearly as large as it was when the Montreal Protocol was signed in 1987
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EPA Warns Against Unapproved Refrigerants in Air Conditioners
Cowboys in the HVAC industry have found another way to get around the R-22 phase-out