The Dog's Not Barking Again

The US National Academy of Engineering's site is running a feature on "grand challenges in engineering". You get to vote for which you think is most important: better medicines, securing cyberspace, preventing nuclear terror, and eleven others. Carbon sequestration is there; so is economical solar power and producing energy from fusion. "Reducing emissions" is not listed---apparently, the idea of cutting back is still too politically sensitive. *sigh*
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