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	Podcast:		The Signal
	Episode:		Climate change 'dominos' to keep you awake at night
	Category:		News & Politics
	Duration:		00:16:07
	Publish Date:		2018-11-15 11:00:00
	Description:		We're all used to apocalyptic predictions of climate change, with regular forecasts of doom from scientists. But what if the current predictions are actually optimistic? The current modelling doesn't account for dozens of 'tipping points' on the horizon, which could release massive stores of carbon into the atmosphere, and blow out temperature increases by 4 or 5 degrees. So what are they? And is there anything we can do to avoid them? Today on The Signal, we speak with climate scientist Will Steffen about the effect on the world's climate of the melting of the Siberian permafrost, forest clearing in the Amazon, and retreating ice caps in the Arctic Sea. And we ask what the world might be like if the worst case scenarios come to pass.
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