"My arguments for liberal empire or whatever you want to call it - hegemony, primacy, you name it - are really activated by a sense that the alternatives involve more violence, more repression, more hardship."

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All scientists who've looked at it know we have to phase away from burning fossil fuels. That means we've got to put a lot of effort into alternate energy technologies, but we're still subsidizing fossil fuels and not subsidizing most of the alternatives. It's not going to be an easy transition.

— Paul R. Ehrlich