What is "greenzo"

"Greenzo" is the fifth episode of NBC's second season of 30 Rock and twenty-sixth episode overall. It was written by Jon Pollack and directed by series producer Don Scardino. It aired on November 8, 2007 in the United States. Guest stars in this episode include Kevin Brown, Grizz Chapman, Al Gore, John Lutz, Madison McKinley Garton, Maulik Pancholy, Paula Pell, Dion Sapp, David Schwimmer and Meredith Vieira.

The episode focuses on Jack Donaghy's (played by Alec Baldwin) success, and later disaster, with Greenzo (David Schwimmer), "America's first non-judgmental, business-friendly environmental advocate." Kenneth Parcell ( Jack McBrayer) decides to throw a party, but, knowing that nobody will attend, Liz Lemon ( Tina Fey) and Tracy Jordan ( Tracy Morgan) plot to make the party a success. Jenna Maroney ( Jane Krakowski) and Liz suspect that Pete Hornberger ( Scott Adsit) is having an affair.