Chester Bennington performing at Dimebag Darrell's Blacktooth Grin Party (following his Hollywood RockWalk Induction) at House of Blues. West Hollywood, California - 17.05.07

Bennington revealed to fans his motivation for performing at Live Earth and made a pledge to go green.

He said, "We're here because we can make a difference if we only try.

"Linkin Park will try to have environment-friendly concert tour."

Source: WENN