“There are telltale signs of ozone recovery in the upper part of the stratosphere.” says A.R. Ravishankara, who is a NOAA emeritus scientist, professor at Colorado State University, and a co-chair of the panel that prepared the new report.
link“There are telltale signs of ozone recovery in the upper part of the stratosphere.” says A.R. Ravishankara, who is a NOAA emeritus scientist, professor at Colorado State University, and a co-chair of the panel that prepared the new report.
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