An international team of scientists has issued a warning that biodiversity is dropping below safe levels for the support and wellbeing of human societies

Photo (c) David M. Augeri

"The planetary boundaries framework updated in 2015 states that losing more than 10% of the biodiversity in an area places the local ecosystem at risk. A report in Science (July 2016) states that 58% of the world's land coverage already falls below this safe level. They find that the global average of biodiversity has dropped to 85% of that of unaffected ecosystems...The report provides the most detailed global analysis of biodiversity to date, with over 1.8 million records, providing an accurate view of the current state of the Earths decline in biodiversity."

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http://science.sciencemag.org/content/353/6296/288

http://www.bbc.com/news/science-environment-36805227