Depletion is an inescapable fact of life: As soon as you’ve taken one sip of your coffee, or one bite of ice cream, you’ve begun to deplete that resource. Economists will tell you, “No problem. You can just run to the store and buy more, or find something else just as good as a substitute.” But does that work on a finite planet, and are all resources so easily substitutable?

Here Richard Heinberg explores the topic of depletion and why it matters so much — to our well-being today and the future of humanity and the planet tomorrow.

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