Mathis Wackernagel Quotes

• Humanity is living off its ecological credit card and can only do this by liquidating the planet's natural resources.

  Mathis Wackernagel

  Humanity, Cards, Credit

  "Eco-overdraft sends earth into the red" by Paul Sussman, www.cnn.com. October 11, 2006.

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• The two-word definition of sustainability is 'one planet.'

  Mathis Wackernagel

  Two, Definitions, Sustainability

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• Pain is not an evolutionary error.

  Mathis Wackernagel

  Pain, Errors

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• We have to prepare our cities for the increasing scarcity of resources by increasing their density and energy efficiency.

  Mathis Wackernagel

  Cities, Energy, Density

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