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Force of Nature clip - David Suzuki speaks about exponential growth

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Documentary film about David Suzuki by the National Film Board of Canada. In this clip he compares the crisis of our unlimited growth in the biosphere to the doubling of bacteria in a test tube full of food. Every minute the bacteria doubles, and at 60-minutes the test tube is completely full of bacteria. David Suzuki: "When is the test tube half full? And of course, the answer is at 59 minutes. 59 minutes, it's only half-full, but one minute later, it's completely full. So at 58 minutes, it's 25% full. 57 minutes, it's 12.5% full. At 55 minutes of...
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