April 11-13, Stephen Roosa, PhD, visited Yekaterinburg to share information about sustainable design and energy efficient technologies. An expert in green building, Mr. Roosa spoke with university students and ecological experts in Perm, Nizhniy Tagil, Tyumen and Chelyabinsk. He also gave a public lecture at the Museum of Architecture and Design and spoke at the Rotary Club. Mr. Roosa believes that we can and should chose to develop in a sustainable way that accommodates our current needs without compromising future generations. After visiting the Urals, he went to Moscow to deliver presentations at Strelka.