Earth's resources consumed in ever greater destructive volumes

https://www.theguardian.com/environment/2018/jul/23/earths-resources-consumed-in-ever-greater-destructive-volumes

Jonathan Watts
Sun 22 Jul 2018

Humanity is devouring our planet’s resources in increasingly destructive volumes, according to a new study that reveals we have consumed a year’s worth of carbon, food, water, fibre, land and timber in a record 212 days.

As a result, the Earth Overshoot Day – which marks the point at which consumption exceeds the capacity of nature to regenerate – has moved forward two days to 1 August, the earliest date ever recorded.

To maintain our current appetite for resources, we would need the equivalent of 1.7 Earths, according to Global Footprint Network, an international research organisation that makes an annual assessment of how far humankind is falling into ecological debt.

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While ever greater food production, mineral extraction, forest clearance and fossil-fuel burning bring short-term (and unequally distributed) lifestyle gains, the long-term consequences are increasingly apparent in terms of soil erosion, water shortages and climate disruption.

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“Our current economies are running a Ponzi scheme with our planet,” he said. “We are borrowing the Earth’s future resources to operate our economies in the present. Like any Ponzi scheme, this works for some time. But as nations, companies, or households dig themselves deeper and deeper into debt, they eventually fall apart.”

The situation is reversible. Research by the group indicates political action is far more effective than individual choices. It notes, for example, that replacing 50% of meat consumption with a vegetarian diet would push back the overshoot date by five days. Efficiency improvements in building and industry could make a difference of three weeks, and a 50% reduction of the carbon component of the footprint would give an extra three months of breathing space.

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Separate scientific studies over the past year has revealed a third of land is now acutely degraded, while tropical forests have become a source rather than a sink of carbon. Scientists have also raised the alarm about increasingly erratic weather, particularly in the Arctic, and worrying declines in populations of bees and other insect pollinators, which are essential for crops.