What a five degree global average temperature rise looks like:

What six degrees’ global average temperature rise looks like:

What business-as-usual now looks like:

Global temperatures ‘will rise 6C this century’

http://www.timesonline.co.uk/tol/news/environment/article5882341.ece

World on track for 6 degree warming, says report

http://www.theage.com.au/environment/world-on-track-for-6-degree-warming-says-report-20081112-5o4x.html

And even these predictions could be conservative. As the Danish Prime Minister Anders Fogh Rasmussen put it last week, “business as usual is dead”. He was right about that – though perhaps not in the sense he intended. Simply put, the greatest crime against humanity ever witnessed is being committed before our eyes, with our complicity. We can bury our heads in the sand; we can get a good seat and watch it unfold; we can complain a little before getting on with other business. Or we can do everything in our power to stop this in its tracks.