The Hollywood Reporter -- Call him the stealth laureate.

Al Gore slipped into town Dec. 6 for a quick chat with Hollywood environmentalists at the Beverly Hills estate of mega-concert producer Kevin Wall, the force behind Live Earth, a partnership with Gore.

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apcm:Sources tell The Hollywood Reporter about 75 guests including Lawrence Bender, Leonard Nimoy and Lynn Lear gathered to hear Gore's impassioned plea for the entertainment industry to renew its focus on climate change.

While in town, Gore also lunched with An Inconvenient Truth director Davis Guggenheim.

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At a dinner for the Children's Defense Fund, the documentarian bemoaned global warming slipping off the public agenda.

"Do you think it still matters to people?" he wondered.

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