Life on Earth at risk, say scientists

Categories: Big picture
Published on: January 16, 2015

The Guardian / Oliver Milman / 15 January 2015

Amazon observatoryHumans are “eating away at our own life support systems” at a rate unseen in the past 10,000 years by degrading land and freshwater systems, emitting greenhouse gases and releasing vast amounts of agricultural chemicals into the environment, new research has found.

Two major new studies by an international team of researchers have pinpointed the key factors that ensure a livable planet for humans, with stark results.

Of nine worldwide processes that underpin life on Earth, four have exceeded “safe” levels – human-driven climate change, loss of biosphere integrity, land system change and the high level of phosphorus and nitrogen flowing into the oceans due to fertiliser use.

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See also:
[ Ocean life faces ‘major extinction,’ study finds ]
[ Major animal die-offs increasing, USD study finds ]