Louisiana Congressman Steve Scalise questioned the science of [global warming]. Frustrated, Mr. Gore retorted, “There are people who still believe that the moon landing was staged on a movie lot in Arizona.”
Al Gore, comparing global warming skeptics to moon landing skeptics, Al Gore Heads To The Hill To Push Climate Change Bill," Knoxville News Sentinel, 25 April 2009
Dr Aldrin said he was sceptical of climate change theories.
"I think the climate has been changing for billions of years," he said.
"If it's warming now, it may cool off later. I'm not in favour of just taking short-term isolated situations and depleting our resources to keep our climate just the way it is today.
"I'm not necessarily of the school that we are causing it all, I think the world is causing it."
Interview of Dr. Buzz Aldrin, second person to set foot on the Moon, "Buzz Aldrin calls for manned flight to Mars to overcome global problems," The Telegraph, 3 July 2009