Wind farm 
Wal-Mart has invested in a wind energy farm that will decrease greenhouse emissions.
US – Global retailing giant Wal-Mart Stores has invested in a wind energy farm in Texas that will generate enough power to light 15% of its Texas operations.
 
Wal-Mart said that the Duke Energy farm is being built in Notrees, Texas, and will start production in April 2009. According to Duke Energy Corporation, the retailer will purchase electricity directly from Duke's Notrees Windpower Project. Wal-Mart has 360 stores and other facilities in Texas.

According to Wal-Mart, it will pay traditional rates for the electricity, but doing so will decrease greenhouse gas emissions and help the company reach its goal of using only renewable energy sources.