The nine safe limits are Climate change, biosphere integrity, land-system change, freshwater use, biogeochemical flows (nitrogen and phosphorus), ocean acidification, atmospheric aerosol pollution, stratospheric ozone depletion, and release of novel chemicals (including heavy metals, radioactive materials, plastics, and more).
Humans have crossed seven of the nine "safe limits" that allow for human life on earth, according to a new study.In 2009, a team of global scientists had introduced the concept of planetary boundaries, that humans should not cross if .
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Humans exceeded 7 of the 9 safe limits for life on Earth: Study indianewengland.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from indianewengland.com Daily Mail and Mail on Sunday newspapers.