2002 Atmosphere Cooling Ozone 
Real Climate
MAY 21, 2023
As predicted in 1967 by Manabe and Wetherald , the stratosphere has been cooling. The dominant factors are changes in CO2 (a cooling), ozone depletion (a cooling), warming from big volcanoes, and oscillations related to the solar cycle. But why is the stratosphere increasingly chill?
Physics World
JANUARY 7, 2022
Pegged for launch in 2007 at a cost of $1bn, in 2002 it was renamed the James Webb Space Telescope (JWST) after the former NASA administrator. Layered protection: A test model of the giant sunshield that will keep the JWST cool. But the sunshield engineers were not the only ones biting their fingernails about keeping the JWST cool.
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