Microsoft Corporation internal policies are working to help the company invest in environmental projects globally. Wind powers two datacenters in Texas and Illinois generating nearly 300 megawatts of electricity. Federal and state incentives help spur the deployment of renewable power.
For more research and recommendations on wind power in the United States and other forms of clean energy, check out The Pew Charitable Trusts' clean energy initiative: http://www.pewtrusts.org/cleanenergy