Low Carbon Economy Index

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The world economy has been consuming the carbon budget required to limit warming to two degrees more quickly than modelled targets for 2020 and 2050 allow. In order to address this carbon debt, keeping atmospheric concentrations of carbon below 450 ppm, the world economy faces the challenge of decarbonising between 2008 and 2020 at more than four times the actual rate of carbon intensity reduction achieved globally since 2000.