The National Science Foundation (NSF) held its annual Long-Term Ecological Research (LTER) Mini-Symposium on March 4, 2010 in Washington, D.C. The mini-symposium, "Ecosystem Services in a Changing World," featured presentations by CAP LTER scientists Kelli Larson and Christopher Boone. Larson's presentation, "Ecosystem services in residential landscapes: Perceptions, trade-offs, and cross-site research questions," drew on residential landscaping work conducted in the Phoenix metropolitan area as well as in the Boston, Baltimore, and Miami areas. Boone’s presentation, "Changing preferences for ecosystem services over time," showcased research from the Phoenix, Baltimore, and Los Angeles metropolitan areas.