Human activity is increasingly influencing the earth’s climate and ecosystems, leading to efforts to quantify planetary boundaries within which humanity can safely live. .... The implications for conventional approaches to economic growth, such as that espoused by the G20, are profound. For example, a recent analysis by and for actuaries finds that a defined benefit pension scheme could become insolvent within 35 years, solely as a result of resource constraints limiting growth (as modelled). Carbon budget analysis finds that up to 80% of the fossil fuel reserves owned by the top 100 listed coal, and top 100 listed oil and gas companies cannot be burned without exceeding safe atmospheric CO2 limits. ..
Staying within planetary boundaries is a direct challenge to G20 governments as well as an economic challenge to growth.
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