- "For 50 years, since The Limits to Growth report and the 1972 UN Stockholm summit, the world has ignored the risk of system collapse,"...
- The 1972 report projected that exponential consumption would deplete important nonrenewable resources such as oil, natural gas, copper, tin, and lead before the year 2000.
That didn't happen.
Just over 50 years later, the new People and Planet...The nine planetary boundaries used in the new report are derived from a 2009 Nature article in which researchers aimed to identify "a safe operating space for humanity."
Just over 50 years later, the new People and Planet...The nine planetary boundaries used in the new report are derived from a 2009 Nature article in which researchers aimed to identify "a safe operating space for humanity."
The new report finds that humanity has already "overstepped" six of those boundaries:
- global warming,
- biodiversity loss,
- ozone depletion,
- air pollution,
- land use change, and
- nutrient overloading.
The People and Planet report concludes that by 2020 for those six boundaries, "humanity was already exploiting more than what is sustainable in global ecosystems, along multiple dimensions."...
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