I love to hear someone say "If we can put a man on the moon, why can't we ..." It used to be a more popular complaint, but at some point it became unfashionable, seen as a weak or irrelevant argument. Technical people especially seemed to roll their eyes when that expression came up.
But I've always liked it, because it gave me a chance to explain that we put a man on the moon through knowledge and research, and especially because we had a clear goal, good engineering and used a structured problem-solving approach - all things that happen too rarely when we're faced with problems. As an engineer, I'd like to see us tackle social and economic problems in the same way we attacked the problem of a manned lunar mission. But when the problem we're trying to solve crosses over into the scientific or engineering domain, there's no excuse for not taking an 'Apollo program' approach to developing a solution.
And we're faced with just that kind of problem now - climate change.
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