Barack Obama conceded yesterday that next month's Copenhagen summit would not produce a legally binding treaty to tackle global warming, but left the door open to a substantive deal on a new global framework on climate change.
Saying “we should not make the perfect the enemy of the good,” the US president put the seal on the growing international consensus that the best that could be hoped for next month was a strong political commitment.
Mr Obama's position, set out at the Asia Pacific Economic Co-operation summit in Singapore, was supported by all 21 participants, including China.
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