BELLY UP: The fellas who brought you city bars like Brownstone, Gaslight, Schoolyard, Kirkwood and West End are behind a new 8,000 square foot sports bar in Old Town that officially opens tonight. Benchmark (1510 N. Wells.) offers a decked out interior including a rectractable roof and upscale bar food. Grab a seat now, this one's going to be popular.
GO GREEN: The City of Chicago hosts a Carbon Nation Celebration tonight at the Jay Pritzker Pavilion in Millenium Park. A screening of the documentary film "Carbon Nation" also includes performces by comedian Hal Sparks and the Happiness Club and appearances from Bill Kurtis and stars of Shrek the Musical. The event celebrates the city’s commitment to environmental leadership and tackling climate change. 7-10 p.m., FREE
MAN UP: Meet the guys competing to be One Man Chicago at a happy hour event tonight at Rockit Wrigleyville. This second of three events leads up to the big event on Sept. 2 at the Harris Theatre where one guy will be crowned. Tonight's event features complimentary apps and drink specials. 6-8 p.m., 3700 N. Clark St., NO COVER