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Study shows banning CFCs was a good thing



Back in 1987 the Montreal Protocol initiated the phasing out of chlorofluorocarbons (CFCs) by 46 countries. CFCs, you’ll recall, were commonly used in refrigeration systems and as the propellant in spray cans; they were phased out after the discovery that they were helping to thin the ozone layer over Antarctica. They were also causing a greenhouse effect around the world and were capable of remaining in the atmosphere for 100 years.

Now a new study published by nature geoscience suggests their elimination is partly responsible for slowing the globe’s warming trend. Lay readers, of course, cannot see the study without paying for the privilege, so we have to settle for a summation/interpretation from someone else — in this case, BBC News.

There are always conflicting reports and theories about global warming, its causes, and whether it exists at all. I happen to be one who thinks it is happening, that humans are at least partly responsible, and that any news of a pause in the upward temperature trend is good news.

From BBC News and the Met Office


"A republic, if you can keep it." -- Benjamin Franklin

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