Beyond the social media side of web 2.0, there is vast world of opportunity in applying technology within the enterprise to enable sustainable practice. But the application of “green IT” is, as Melville put it, “still in the Stone Age.” Surprisingly, many large companies are still using spreadsheets to manage their carbon emissions. He envisions software in the future that will allow financial and sustainability statements to merge in some standardized format, and expects carbon management IT solutions to develop into a multibillion industry. Ultimately, technology is only an enabler and an expression of the underlying business and organizational structure. You can’t just throw technology at a business problem and expect results. Technology only supports an organization in changing how it does business – it should not drive the process.