CAP LTER held its 12th Annual Poster Symposium on January 14, 2010 at ASU in Tempe. The theme of this year’s symposium was "Urban Ecology and Sustainability." Dr. Stephanie Pincetl, Director, The Urban Center for People and Environment, UCLA, gave the keynote address, "Urban Nature’s Services Infrastructure: Challenges in Implementation and Ideas of Nature." Over 30 students and faculty presented posters during the symposium on topics ranging from urban black widow spider behavior to environmental justice and public health. The program and posters for this year’s symposium can be viewed here: 12th Annual Poster Symposium.