Green beer’s the least of it this weekend. Must be the luck of the Irish.

SEE
Environmental Film Festival
What: One hundred fifteen movies on topics from energy use and clean water to hurricanes and endangered sharks.
Why: It’s convenient, honest.
When: Thru Mar. 25.
Where: Schedule online at dcenvironmentalfilmfest.org.

HEAR
The Autumn Defense
What: The band, featuring John Stirratt and Pat Sansone of Wilco, shares new sounds.
Why: Spring to it.
When: Thurs., 8 p.m.
Where: Jammin’ Java, 227 Maple Ave. E., Vienna (703-255-1566). Tickets online at jamminjava.com.

EAT
Saffron Sensory Experience
What: Taberna del Alabardero’s new tasting menu includes smoked saffron ice cream.
Why: Spice up your life.
When: Mon.-Thurs., 5:30-10:30 p.m.; Fri. & Sat., 5:30-11 p.m.
Where: 1776 I St. NW, at 18th St. (202-429-2200).

DO
Send a Suit Clothing Drive
What: Donate gently used (or new!) items from your work wardrobe to benefit Dress for Success.
Why: Giving suits you.
When: Thurs., 7 a.m.-2 p.m.
Where: The FedEx Special Delivery truck at the Capitol South Metro Station, corner of 1st & D Sts. SE.

BUY
Lululemon Athletica
What: The Canadian design company opens a new yoga showroom and boutique.
Why: Your down dog looks like something the cat dragged in.
When: Sat., 10 a.m.-8 p.m.; Sun., noon-6 p.m.
Where: 1081 Wisconsin Ave. NW, b/t K & M Sts., 3rd flr. (202-333-0849).