Ozone-Protection Treaty Had Climate Benefits, Too

“This research supports the principle that it’s generally best not to put things into the environment that weren’t there before,” said Scott Barrett, an economist at the Earth Institute who was not involved in the study. “It’s a lesson, surely, for our current efforts to limit greenhouse gas emissions.”

Check the following link to read/download the Full Study – “The Importance of the Montreal Protocol in Protecting Earth’s Hydroclimate”:
http://journals.ametsoc.org/doi/abs/10.1175/JCLI-D-12-00675.1

Source: The Earth Institute, Columbia University.