Thursday (4/19): According to one immortal frog, it isn’t easy being green. Author and environmentalist Elizabeth Kolbert will prove why it’s worth all the work, as she speaks about her novel Field Notes From a Catastrophe – Man, Nature, and Climate Change at Campbell Hall tonight. This lecture about global warming will take place at 8 p.m., and books by the former New Yorker contributor will be available for purchase and signing after the event.

Friday (4/20): Celebrate 4/20 with the aptly-titled “Smoking Aces” at I.V. Theater tonight. This film features plenty of sex, drugs and rocket launchers and is a definite must-see for anyone with a soft spot for shoot ’em ups. Plus it’s really funny, whether you’re celebrating 4/20 or not. See it at 7 and 9:30 p.m., with tickets priced at just $4 thanks to the fine folks at Magic Lantern.

Saturday (4/21): Shake it with SambaDa at SoHo tonight. This innovative group combines samba, hip-hop, Bossa Nova and salsa to create catchy music that makes dancing an unavoidable act. The show starts at 9:30 p.m., and tickets are just $12. Sorry kids, this one’s for the 21 and over set only.

Sunday (4/22): Tickle your funny bone for free tonight, as Mask and Scroll Performing Artists present its weekly Sketch N’ Sniff Improv. This improvised variety show features standup, sketches and the titular improv. Check it out for free at 7 p.m. in Embarcadero Hall.

Monday (4/23): Get your guitar on, as the internationally renowned Assad Brothers show off their strumming skills at the Santa Barbara County Courthouse Mural Room tonight. These Brazilian-born siblings have collaborated with Yo-Yo Ma, Gidon Kremer and Nadja Salerno-Sonnenberg, and tickets to go see them at 6 p.m. right here in SB are only $20 for UCSB students. Call Arts & Lectures at (805) 893-3535 for more information.

Tuesday (4/24): In the mood for a modern retelling of historical events? Check out “A Divided Community” at the MultiCultural Center Theater tonight. This performance features a dramatic reading by resisters Frank Emi, Mits Koshiyama and Yosh Kuromiya and veteran Paul Tsuneishi that deals with the American government’s persecution of Japanese Americans who resisted the World War II draft, as well as the relationships between members of the Japanese American community during this tumultuous time. The show starts at 5 p.m.

Wednesday (4/25): Speaking of history, go see the epic documentary “The Rape of Europa” at Campbell Hall tonight. This critically acclaimed film deals with the way Europe’s art treasures were treated – and often destroyed – during World War II, while simultaneously documenting the restoration of some of these recently recovered works. Tickets are $5 for UCSB students, and the screening starts at 7:30 p.m.