I'm pro, for the reasons bart mentioned. It would be good to have a place to discuss politics and the environment, and how we as individuals can impact positive change.
Political threads seem to pop up in the other sub forums anyway; I'm itching to move them all to their own spot.
I agree that all roads should lead back to personal impact, even when there are certain things that affect everyone, like global warming. I tend to see broader consequences like global warming as indications of how to live better lives as individuals.
Also, some things that deeply affect public health have no current place to reside. Take
this thread for example: it hasn't sparked much of a debate in the health and fitness sub-forum because it is part of a much larger, systematic problem with plastic usage rather than something that relates to personal health and fitness.