AGAGE network celebrates 45 years of measuring ozone-depleting and climate-warming gases

Along with Ronald Prinn, Ray Weiss and Paul Fraser (among others), Peter Simmonds (shown here) helped found the ALE/GAGE/AGAGE network (Photo by Kathy Thompson)

Along with Ronald Prinn, Ray Weiss and Paul Fraser (among others), Peter Simmonds (shown here) helped found the ALE/GAGE/AGAGE network (Photo by Kathy Thompson)