What Will a World That is +4C Hotter Look Like?

Since my vacation, it has taken me a while to get caught up with the news again. But rather than blog about the controversy du jour, I thought it would be best to post about a subject that's been pushed to the back of the current news cycle: Global Climate Change. Why does this subject have my current interest? Check this out -

Google climate map offers a glimpse of a 4C world

Interactive tool layering climate data over Google Earth maps shows the impact of an average global temperature rise of 4C

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A new interactive Google Earth map was developed using peer-reviewed science from the Met Office Hadley Centre and other leading impact scientists. Photograph: earth.google.co.uk

Think it's hot this summer? Wait until you see Google's simulation of a world with an average global temperature rise of 4C.
Using a map that was first launched by the former Labour administration in October 2009, the coalition government has taken temperature data from the Met Office Hadley Centre and other climate research centres and imposed it on to a Google Earth layer.
It's a timely arrival, with warnings this month that current international carbon pledges will lead to a rise of nearly 4C and the Muir Russell report censuring some climate scientists for not being more open with their data (but exonerating them of manipulating the scientific evidence).
more...
http://www.guardian.co.uk/environment/blog/2010/jul/14/google-climate-data

It's in the article link above, but here is the google link to the interactive map:
http://www.google.com/gadgets/directory?synd=earth&preview=on&cat=featured&url=http://maps.google.com/maps/gx?oe%3Dutf-8%26output%3Dghapi%26q%3Dhttp://www.fco.gov.uk/google-earth-4degrees.kml
You'll need download Google Earth 5 to view it.