Green cred: The uber-agent and Prius driver not only reps controversial creative talent like Aaron Sorkin and Michael Moore but also co-founded the Detroit Project and sits on the trustee board of the Natural Resources Defense Council’s Action Fund.

Focus: Speaking out. Emanuel regularly posts his latest thoughts about the environment and government in a blog on The Huffington Post.

Latest battle: Last year, he enlisted his employees to support the Stop Global Warming Virtual March on Washington. His gift to execs and clients for this holiday season? Copies of Laurie David’s book “Stop Global Warming: The Solution is You — An Activist’s Guide” and “The Plan,” a book by his brother, Rep. Rahm Emanuel (D-Ill.), which outlines the need for a hybrid economy and new energy technologies.

Eco mantra: “My wife and I have three young sons at home who all love the outdoors. I want them to have a safe and healthy environment in which to play and grow up.”