Businesses can be excused for feeling some confusion about what to do about their energy consumption. Though they've been told to expect an economy-wide price on carbon, the U.S. Congress failed to impose one last year, and the nations participating in the Copenhagen climate summit in 2009 did not reach a binding agreement on how to cut carbon dioxide emissions. But despite the uncertainties about what national energy policy will bring, companies ranging from big-box retailers like Wal-Mart and Costco to high-tech leaders like Google and Cisco to industrial behemoths like General Electric and IBM are embracing cleaner energy technologies that lower their carbon footprints and reduce their overall reliance on fossil fuels.
展开▼
