My lab is looking for ideas, particularly in relation to developing countries. What sort of problems have you seen that we might be able to solve through technology?

About us: We are the Sustainable Engineering Lab at Columbia University (http://sel.columbia.edu/). We are a team of students, engineers, programmers and experts in renewable energy.

We've done work in Nigeria, Indonesia, Myanmar, India and a whole bunch of other places (http://sel.columbia.edu/projects/).