7 Alarm bells have not stopped ringing since his report came out in June, and the race is now on to deploy substitutes for F-gases which otherwise will wipe out much of the potential benefit of whatever agreements emerge from climate talks in Copenhagen next month.
8 The UN agencies involved with climate change knew all along that F-gases had high global-warming potential, but they said the amounts involved were so small that they wouldn't have a significant impact.
9 The chemical companies also knew of the dangers, but they continued to lead their shareholders to believe that F-gases were good for the environment.