Thousands are converging on the National Mall to rally for action on climate change and to express displeasure with the Keystone XL pipeline. For those who can't make it to the district, visit this Austin outpost instead. 2pm.
Go online for a list of locations, hours of operation, a list of forms to bring, and other helpful tips to prepare your tax returns with the help of a professional. Participants must make less than $50,000 a year. Through Mon., April 15. Free.
Foundation Communities is providing free tax-preparation services to income-qualifying individuals and households this spring, and it's also offering low-fee refund-anticipation loans. See www.communitytaxcenters.org for hours and details on income qualifications. Free.
Victim Services Unit is seeking volunteers who are over 21 and have a reliable car and cell phone to work four four-hour shifts per month for a year. The next training session begins March 18. See website for complete details.