WATER TREATMENT PLANT NO. 4 is on tap for the Environ­ment­al Board's committee of the same name; members will hear a staff briefing on the Jollyville Transmission Main project "and issues associated with it." 11am. 505 Barton Springs Rd., Rm. 240.
BLOOD DRIVE The Travis County Sheriff's Office hosts a blood drive for those choosing to give a different kind of gift this season. 6-9am & 1-3pm. TCSO Training Academy, 3614 Bill Price Rd., Del Valle. www.inyourhands.org.
GLEN MAXEY BOOKSIGNING See "Glen Maxey's Perry Tale," then pick up a signed copy of Maxey's self-published paperback, Head Figure Head. 11am-7pm. Progress Coffee, 500 San Marcos St.
CHRISTMAS TREE RECYCLING starts today for city of Austin trash and recycling customers. Just place the tree at the curb on your regularly scheduled collection day; check back here next week for tree drop-off days at Zilker Park in January. www.austintexas.gov/node/8205.
FOUNDATION COMMUNITIES is recruiting volunteers to help low-income residents with income tax preparation, in partnership with the Austin Housing Finance Corporation and the city of Austin. Apply at www.foundcom.org.
TRAVIS COUNTY COMMIS­SION­ERS COURT is taking applications from individuals to serve on the Central Texas Regional Mobility Authority, for an appointment starting Feb. 2. Qualified applicants should have "exceptional vision, business and administrative skills, and a history of community involvement." The application deadline is Jan. 13. Call or email Max Jones at 854-4774 or IGR@co.travis.tx.us.