Fascinating ted talk about intrinsic and extrinsic motivation and how they work when facing creative tasks. Very useful.
Crowdsourced volunteering for non profits. Interesting idea about driving value from small amounts of time, crowdsourced.
Charity in Mexico that Ana Paula and Iris are involved with.
Range of pumps for developing world countries. Hand pumps, foot pumps and so on. Nothing particularly ingenious though and not really applicable to our likely uses.
A Guatemalan NGO that build all kinds of whacky devices from bicycles including water pumps, blenders, nut shellers, mill / corn threshers. Incredible stuff.
Charity Navigator is a charity comparison web site in the US.
GuideStar is a charity comparison web site in the US.
The Skoll Foundation was founded by Jeff Skoll to promote social entrepreneurship by investing in, connecting and celebrating social entrepreneurs.
Support charities by using ripple to search, to view ads, etc. They donate 100% of their revenue to charities, so it's not a business per se.
Your chosen charity is paid if you search the web with GoodSearch, it's powered by Yahoo.