I have the feeling that some policy maker are not aware of the severity. But let's say they are. Now they make a new policy. How do we gauge what the impact of

I have the feeling that some policy maker are not aware of the severity. But let's say they are. Now they make a new policy. How do we gauge what the impact of this policy? This falls within the realm of said scientist. How to suggest new policies etc, that requires another skill set. We also should listen to those guys.