Climate Change News: Diplomats working to update a treaty in Dubai`s broiling heat this week can be thankful for air-conditioned conference rooms.
They are discussing the Montreal Protocol, which by banning CFCs is expected to fully restore the Earths damaged ozone layer by mid-century.
Unfortunately the CFC substitutes found for use as coolants in refrigerators and air con brought their own problems -- they are highly potent warming gases.
After years of talking about talking, envoys from 200 countries have...