Rising populations and consumption and climate change drive this challenge, while interconnections between these issues make response difficult, states the report, "Global Risks 2011."

http://www.ens-newswire.com/ens/jan2011/2011-01-25-02.html

"Global Risks 2011" can be accessed and downloaded as a PDF file at:

 http://www.weforum.org/reports/global-risks-report-2011

The Huffington Post has a live update blog on what's happening at Davos 2011.

http://www.huffingtonpost.com/2011/01/23/davos-2011-updates_n_812712.html