Environmental Center for Sustainable Landscapes Opens Tuesday in Pittsburgh by Paul Tukey on February 11, 2013 Paul Tukey Author More in Environmental: People Outside Will Be Injured: Severe Thunderstorms Strike Park Forest March 31, 2026 Park Forest Officials Urge Residents to Protect Pipes as Coldest Air of the Season Continues December 14, 2025 Park Forest Workshops Join Global Effort to Prevent Bird Collisions August 21, 2025 Blending the old and the new, the Phipps Conservatory in Pittsburgh will officially open one of the world’s most earth-friendly buildings and landscape facilities this week. This photo was taken near the end of construction last May.