As hosts of this weekend's Group of Eight energy minister's meeting in Aomori Prefecture, delegates from Japan will be actively promoting the "sectoral approach" to curbing global warming.
While details of the plan have yet to be firmed up, some believe the process gives developing countries a chance to cut emissions without hampering their own economic growth as it contains equitable reduction targets and includes major gas-emitting countries.
Following are questions and answers about the approach:
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