Back in 2009, the UK Met Office Hadley Centre released the interactive Four Degrees Celsius map, to illustrate the potentially catastrophic effects of a global temperature rise of 4 Degrees Celcius to the world.

We discuss both this and the most recent map released - which focuses on the effects on South East Asia in particular - with John Pearson, the Head of the Regional Climate Change Network, Foreign & Commonwealth Office (FCO) South East Asia.

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