Microfinance is great, but what if you're too big for that, but too little for large scale venture funds? How about an NGO that supports, educates, and funds sustainable businesses in Nicaragua? Here's an example for us all.
social enterprise
Nicaragua Shows The World How To Fund Socially Responsible Ventures
A Practical Approach to Selling CFL in Developing Countries
People presume green technology is only going to do well in rich countries. Far from the case. No Apagones ("No Blackouts") shows how to clearly, effectively make the case for $2 CFL lights in a country where they make $60-100 a month.
How To Help Your Fellow Entrepreneur On The Other Side Of The Planet
Ever wanted to help people in the developing world in a meaningful, personal, empowering way? KivaB4B provides this, doubling what you put towards the entrepreneur of your choice.

Reasons To Be Hopeful: 164: new forms of social investment
Interesting discussion about the social stock exchange concept... (great positive news blog btw)

We Won't Be Doing Much Business On A Dead Planet
Inspiring article by Christophe Poizat, founder of the International Network of Social Entrepreneurs, about the rise of social entrepreneurship and a the new business paradigm that is necessary if we are to avoid the destruction of our planet.