Tipping points
Scientists have identified a number of positive feedback mechanisms – processes whereby the complex interaction of our planet’s natural cycles and systems mean that climate change will accelerate itself, irrespective of humankind’s actions once certain tipping points are reached. They include the melting of the Arctic sea ice and the Greenland ice sheet, large-scale damage to the Amazon rain forest and the strengthening of the El Niño climate system.
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Useful links
Tyndall Centre Beyond the tipping point
Wake up, freak out, get a grip A powerful cartoon explaining tipping points and the need for urgent action
Leeds University Alarm over two severe Amazon droughts in 10 years
Meridian A report for Meridian by David Wasdell on the Feedback Crisis in Climate Change
George Monbiot blog Claims that references to positive feedbacks were removed from the IPCC reports
4 Ecotips No life on earth? Presentation from David Wasdell
A good site with an interesting video that explains Tipping Points very well.A call to action that needs to be built on.http://wakeupfreakout.org/index.html