08/03/2008 05:12 am ET | Updated May 25, 2011

Baseball Team Clashes With Environmentalists Over Oil Company Advertising

When the Washington Nationals' season opened in March, the team unveiled a stadium any environmentalist could love -- the country's first certified green major professional sports stadium, with energy-conserving lights and water-conserving plumbing.

Now, the team is the focus of protests from environmentalists who say their issue is not with the stadium, but with the Nationals' advertising relationship with the oil giant ExxonMobil.

The company's logo appears prominently on the left-field wall and is frequently featured on the stadium's scoreboard.

Despite the stadium's recognition for Leadership in Energy and Environmental Design by the U.S. Green Building Council, ExxonMobil's involvement has erased any good will, say the leaders of Strike Out Exxon, a combination of environmental, civic and religious groups.

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