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Calculate percentage growth rate required to reach a future multiple of present value.

If the maximum possible availability of a renewable resource is times the present rate of consumption, and the rate of consumption is growing at percent per year, the resource will be fully exploited in ____ years time.

Or alternatively:

A value growing at a steady exponential rate of ____ percent per time period (e.g. years) will grow to a multiple ____ times the present value in ____ time periods.

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Consumption Growth 101

More Or Less

The strategies for addressing global environmental issues are clear: Efficiencies must be improved, personal consumption reduced and renewable energy embraced. But have environmental advocates really got it right. Or are we being led up the garden path.

More or Less explores the fundamentals of consumption and uncovers some basic truths that are... well... rather inconvenient.

More or Less (Slides) (2.2MB)