It seems that Larry Brilliant and his team at Google.org have identified many of the same issues as Wepoco.com over the last 12 months.
"We live in very complicated times. Global health, poverty, and climate are inextricably interrelated, and it is the poor of the world who bear the heaviest burden. " Official Google Blog: New team members for Google.org
I say - seek complexity! It's not the same as mess, it's in studying and working with complex systems that we often find simple and powerful solutions. The climate system is complicated, mobile phones are complicated, even Google Maps is quite complicated; but applying knowledge of these and other things will change the world for the better. I'm sure of it.