Dundas: A differing thought about CO2 and climate change
Posted
In reading the recent Opinion by Beth Chajes, I believe that one of the points stated — that temperature increases have preceded carbon dioxide increases — is incorrect (“Drivers of climate change differ over time”). According to a video lecture by Dr. Richard Alley (Penn State), modern research has determined that the concentration of CO2 in the Earth’s atmosphere always precedes corresponding temperature changes.
While it’s correct that higher temperatures cause more carbon dioxide to be released, there’s no reasonable doubt regarding this chicken-or-egg question.
Bill Dundas
Sarasota, Florida
Reader reactions, pro or con, are welcomed at civiltalk@iniusa.org.
