Barcelona's official Twitter feed has been waxing lyrical about the Argentine's achievement.
GGGGGGGOOOOOOOOAAAAAAAAALLLL!!! GOLAZO! LEO 'DER BOMBER' MESSI!
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The 100 leaders did not agree on concrete proposals, but the meeting has raised hopes for concrete international agreement next December.
The speech was OK, passionate at times and certainly well received, but did not display the passion of past speeches.
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