Critics of the sectoral approach point out that however efficient industries might be, it does not help the climate if inventors keep dreaming up new ways to use energy - like Japan's electrically heated, stereophonic, bottom-washing toilets.

BBC: Japan waits on US for CO2 targets

But instead of trying to get home, you may just hoping to keep the lights on for another month while dreaming of a day when you can deliver a big pay day to the people who helped you get there.

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