The Daily Star  Your Right To Know Friday, December 6, 2013
Sample Header adiv  Friday, September 12, 2008  What would a 4
degree rise mean for the planet?  PROFESSOR Bob Watson, the
chief scientific adviser to the Department for the Environment,
Food and Rural Affairs (Defra) and a senior UK government
adviser warned of the risk of a rise in global temperatures of 4
degrees Celsius.  He said: "There is no doubt that we should aim
to limit changes in the global mean surface temperature to 2
digree above pre-industrial (levels). But given this is an
ambitious target, and we don't know in detail how to limit
greenhouse gas emissions to realise a 2 degree target, we should
be prepared to adapt to 4 digree."  But what would a 4-degree
rise mean for the planet? According to the 2006 Stern review on
the economics of climate change, up to 300 million people would
be affected by coastal flooding yearly.  Water availability in
Southern Africa and the Mediterranean could drop by half, and
agricultural yields in Africa