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  • Answer to the ‘duckweed’ question

    It takes 364 days for the duckweed to cover half the pond. If the amount of duckweed doubles every day, there is more growth on the last day than all the previous days combined – which is what makes exponential growth so surprising, quick and potentially dangerous.


    There’s a crash coming – a slap from Mother Nature. This isn’t pessimistic; it’s realistic.

    The human impact on nature and on each other is accelerating and needs systemic change to reverse.

    We’re not advocating poverty, or a hair-shirt existence. We advocate changes that will mean better lives for almost everyone.

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