Paul Newman, NASA’s Chief Scientist Seven years back this was his advice Don’t lose focus. First, we need to continue to watch the stratosphere to understand if our policies are working. Second, we need to maintain the provisions of the Montreal Protocol in order to ensure the recovery. Third, we need to start looking at the individual impacts of climate compounds, including HFCs. They may not affect ozone directly, but they will change the stratosphere, and therefore the ozone layer. |