40%
of the worlds species would face extinction
200 million
people are at risk of being driven from their homes by flood or drought
2050
35%
drop in crop yields across Africa and the Middle East is expected if
temperatures rise by 3C
200 million
more people could be exposed to hunger if world temperatures rise by 2C
550 million
more people could be at risk of hunger if world temperatures rise by 3C
4 billion
people could suffer from water shortages if temperatures rise by 2C
£200bn or 1%
of global GDP, must be spent every year to get carbon dioxide levels to
"stabilise" at 550ppm. This figure will rise as world GDP increases, and
could be three to four times as large by 2050
6C
is a "plausible" estimate of how much world temperatures could rise by the end
of the century if greenhouse gasses emissions are unchecked
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The five
degrees of DISASTER