Allow me to answer in English.
As I understand it, your question is on the role of ozone in the climate system.
On November 22nd, 2007. See this statement in context.
November 22nd, 2007 / 4:10 p.m.
Adjunct Research Professor, Department of Geography and Environmental Studies, Carleton University
Allow me to answer in English.
As I understand it, your question is on the role of ozone in the climate system.
See context to find out what was said next.