Monopoly is going green, replacing its old-style utilities, Water Works and Electric Company, with the more environmentally friendly wind and solar energy, Hasbro Games announced Monday.

The company, based in Pawtucket, R.I., says the move recognizes the increasing importance of renewable energy sources around the world. Citing numbers from the World Wind Energy Association, it says wind energy generates more than one per cent of global electricity and is used in more than 70 countries.

While the new edition, called Monopoly Here & Now: The World Edition, will be available in stores around the world in the fall of 2008, the announcement was timed to coincide with Earth Day on Tuesday.

More than 250 million copies of the game have been sold in 103 countries and 37 languages since it was launched in 1935.

More than 200 different editions of the game have been published, but the most popular continues to be the classic "Number Nine," based on the streets of Atlantic City and  nearly identical to Charles Darrow's original submission to Parker Brothers.