UPEI Let's Talk Science will be putting on interactive displays and activities at the 6th Annual Family Earth Expo on Saturday April 23rd from 1:00 - 4:00 pm at the PEI Farm Centre, 420 University Avenue (next to CBC). For more information on UPEI Let's Talk Science, contact Hannah Gehrels at upei@letstalkscience.ca. The Earth Expo, presented by PEI Sierra Club, is an all-ages event with many family-friendly science-based activities including seed planting and watershed displays; information booths by green businesses and environmental groups; live music; art displays and activities; food; and other attractions. "It's always lots of fun and a great learning experience for young families and everyone interested in environmental action and awareness," states Tony Reddin, one of the Expo volunteer organizers. Admission is by donation. For more information on the Earth Expo check the Facebook event page or contact Tony Reddin at 902-675-4093, or by email at tonysierraclub@gmail.com.