Link: http://www.fastcompany.com/magazine/127/a-devilish-green-angel.html?page=0%2C0

This article in Fast Company starts out talking about an innovative new approach to cement manufacture, which promises to reduce C02 pollution from cement plants. Cement manufacture is both an energy-intensive industry, and one that produces large quantities of CO2.
The article devolves later into more of an examination of the venture capitalist Vinod Khosla. Here is one of his better-known presentations.