The earth is already past safe limits for humans as temperature rise, water system disruption and destruction of natural habitats have reached boundaries, a study by a group of the world’s foremost scientists has found.
The research, published in the journal Nature on Wednesday, identified eight earth system boundaries that included climate, biodiversity, water, natural ecosystems, land use and the effect of fertilisers and aerosols.
Human activities had pushed seven of these boundaries beyond their “safe and just limit” into risk zones that indicate the threat to planetary and human health, it said.
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