What Did the Environmentalist Barry Commoner Offer as a Solution

What did the environmentalist Barry Commoner offer as a solution to the environmental crisis?

A) Boycott any energy that was produced from a nuclear facility.
B) The government needed to be less involved in environmental issues, allowing the private sector to handle cleanups.
C) Americans should eat more meat (especially beef, because it was healthier than pork) .
D) Americans needed to move toward a lifestyle that was in harmony with the ecosphere.
E) Wind power should be the only energy source.