IBM yesterday announced the top five technologies developed under its Corporate Environmental Innovation Program in the past year, the five solutions that can have a significant impact on energy efficiency or environmental impacts. Of the top five, only three are traditional IT-related technologies, with the remaining two falling under what has become known as "Green IT 2.0," or technologies that can be applied to business operations beyond the data center or computer fleet, putting computing power to work on the firm's environmental footprint. Blog post by Matthew Wheeland, 11/11/09.