I think you could offer seven or eight different possible ends for energy policy. Climate change is one of them. Dealing with criteria pollutants is one of those related to that.
“When I was a child I asked my mother what homosexuality was about and she said - and this was 100 years ago in Germany and she was very open-minded - 'It's like hair color. It's nothing. Some people are blond and some people have dark hair. It's not a subject.' This was a very healthy attitude.”