^^^ That's all very true, but it's just as dangerous to use arguments like that to sit on the fence or go with the status quo. People need to make their voices heard on important matters. Like your example about people staying silent in the 1940's emerging as resistors. The true heroes would be the ones who did speak up or take action.
Bringing us to the 'global warming debate', people NEED to speak up. Think about it, even if those who say mankind is responsible, and we will soon approach crisis conditions if nothing is done, are wrong, it doesn't really hurt for us to try and clean up our act.
We know we are polluting too much, we know we are wasting too much. This hurts us in other ways from population crunch to yes, even the economy.
Oil wouldn't cost so much if we didn't use so damn much of it.
So we have to stop looking at it as economics vs environment and just start looking at it as a global lifestyle shift.
Heat wave or ice age or not, we need to become more efficient and less wasteful in how we do things. We need different forms of energy, we need significant lifestyle and business practice changes, global warming or not.
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