ClimateWire: A recent finding by the climate nonprofit CDP that more than two dozen major U.S. firms are placing a price on carbon dioxide emissions for purposes of internal planning came as old news at 1 Poydras Place in New Orleans, the headquarters of Entergy Corp.
The 100-year-old Fortune 500 company, which provides electricity and natural gas to 2.8 million customers in the Lower Mississippi River Valley, coastal Louisiana and East Texas, has been hedging on carbon dioxide since 2001 under a program it...