My first inclination is to be a bit skeptical about the claims that human-produced carbon dioxide is the direct contributor to global warming.
Buzz AldrinWhen we set out to land people on the surface of Mars, I think we should as a nation, as a world, commit ourselves to supporting a growing settlement and colonization there. To visit a few times and then withdraw would be an unforgivable waste of resources.
Buzz AldrinApollo 11 will probably go down in history as one of the major responses of two nations facing each other with threatening technologies - sometimes called mutually assured destruction. It was also the America's response to the apparent superiority of the Russians in putting objects into space before USA could.
Buzz Aldrin