[August]

http://earthobservatory.nasa.gov/New...062627067.html

Large amounts of ozone – around 50 percent more than predicted by the world's state-of-the-art climate models – are being destroyed in the lower atmosphere over the tropical Atlantic Ocean. Published today (26th June '08) in the scientific journal, Nature, this startling discovery was made by a team of scientists from the UK's National Centre for Atmospheric Science and Universities of York and Leeds. It has particular significance because ozone in the lower atmosphere acts as a greenhouse gas and its destruction also leads to the removal of the third most abundant greenhouse gas; methane.