Biocapacity and the ecological footprint

Today, Cosmos journalist Ellen Phiddian talks to Dr Mathis Wackernagel, the founder and president of the Global Footprint Network. He co-developed the concept of the ecological footprint in the late 90s and has been a prominent advocate for sustainability for over two decades. He particularly works around Earth Overshoot Day, the day each year when the earth exceeds a year's worth of resources (in 2021, this was July 29).

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