Transition from CFCs to HFCs under Montreal Protocol hurts climate – adjustment required

Posted on February 25, 2012 by Rolf Schuttenhelm

But let’s stick to the Montreal spirit and call it a challenge instead of a problem.

Graph of the day: Antropocene Atmospheric Experiment – GHG climate forcing increased 29% over 20 years

Posted on November 11, 2011 by Rolf Schuttenhelm

2011 Antarctic ozone hole reached 16.17 million square kilometers

Posted on October 21, 2011 by Rolf Schuttenhelm

In April the WMO announced the Arctic ozone hole had reached record proportions – perhaps even doubling the previous depletion record of 2005, a Nature publication recently added. On the southern hemisphere the story seems much the same. New data … Continue reading →

Arctic ozone hole is larger than ever

Posted on October 3, 2011 by Jorn van Dooren

The Antarctic ozone hole was big news in the eighties. It was a clear sign of man’s detrimental influence on our planet. Now the ozone layer over the Arctic is so thin that for the first time it can be … Continue reading →

Hydroxyl proves stable atmospheric cleaner

Posted on January 7, 2011 by Rolf Schuttenhelm

Good news in Science from an international team of atmospheric chemists, including researchers from NOAA and the Dutch universities of Wageningen and Utrecht. Hydroxyl, atmosphere’s enthusiastic cleaning agent, proves to be produced in quite stable quantities from year to year.

After Copenhagen: Cancún, Kyoto… or Montreal?

Posted on November 9, 2010 by Rolf Schuttenhelm

Chlorofluorocarbons are up to 11,000 times as potent as greenhouse gases as CO2. The Montreal Protocol locked away some 4 years of regular CO2 emissions. And if we try really hard – and look for every old fridge on the … Continue reading →

Bits of Science

Tag Archives: CFCs