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Climate Conferences

Adrian Grenier at the COP21 talks

December 11, 2015

What do Hollywood stars have to do with bureaucratic global climate summits? A lot, if you're actor and environmental advocate Adrian Grenier.

Grenier, widley known for his role in the HBO series "Entourage," has attended a busy slate of events at the United Nations COP21 Paris climate talks.

That's thanks to both a deal as a spokesperson for electronics company Dell's sustainability efforts and his own efforts with conservation advocacy websites and

During the Sustainable Innovation Forum held Tuesday at Stade de France, Grenier and GreenBiz Executive Editor Joel Makower covered what works and what doesn't when it comes to mobilizing consumers on climate issues.