For 45 years, humanity has been drawing down on the planet’s natural resources—including groundwater, fertile soil, and carbon storage in forests, oceans, and the atmosphere—faster than they can replenish themselves.
The results today include spiking food prices and diminishing water supplies worldwide, more costly and extreme weather events, and violent social conflicts such as the Syrian civil war, said Mathis Wackernagel, a co-creator of the “ecological footprint” method for measuring humanity’s demand on the environment.
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