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jsonstein@masto.deoan.org ("Jeff Sonstein") wrote:
`Of the nine “planetary boundaries” that help determine whether life can flourish on Earth, seven are being breached at their highest ever levels of transgression, according to the latest planetary health check, a process that was established in 2009.
The seven key indicators in the danger zone include climate change, change in biosphere integrity, land system change, freshwater change, modification of biogeochemical flows, introduction of novel entities and, for the first time last year, ocean acidification.`