That's a bold example to use, considering that humanity learned that CFCs (chlorofluorocarbons) created the ozone hole, so we agreed to stop use them, and then

That's a bold example to use, considering that humanity learned that CFCs (chlorofluorocarbons) created the ozone hole, so we agreed to stop use them, and then the nature recovered, without causing any noticeable hardship or economic damage. Now consider that in the context of global warming.