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...based in the evidence we had at the time those decisions were made. in some senses the fact that we use a round number reflects our uncertainty about that number, because if we said, ‘Well, 1.7 degrees is fine and 1.8 is terrible,’ that would imply a degree of certainty and precision that we don’t have. So in a sense two degrees is sort of a ballpark number, and...

...based on, developed countries committed to supporting developing countries in tackling climate change and under the Copenhagen and then the Cancun Agreement, which was the last time we reached a big agreement, $100 billion a year was promised by developed countries, not just in public finance but in private finance as well, by 2020. Those commitments matter to developing...