One Canada Square the recycling of waste heat to cool and warm the building. Aggregates used in the office build were from predominantly recycled sources, part of a strategy to integrate sustainable products and materials throughout the site, delivering both affordable and sustainable environmentally friendly features to the building. One Canada Square energy performance has improved by decreasing 30% from 2007 to 2016 by initiatives such as installing LEDs and upgrading HVAC and water services. The ground floor, foyer area and basement levels of One Canada Square are open to the general public, having an underground retail area and a transport interchange from
Jack London Square through Jack London Square are used by BNSF Railway, Capitol Corridor, Coast Starlight, San Joaquin, and Union Pacific Railroad. The trains share the road with automobiles, AC Transit buses, and pedestrians. The square is a very popular spot for railfans. Jack London Square's most recent changes are adding more businesses, restaurants, and entertainment. Under lead developer Ellis Partners, Jack London Square's new architecture and public spaces are adding to the daytime and nighttime population and use. Recent new components include the 55 Harrison building, a mid-rise by RMW Architects in association with Steve Worthington. The public spaces by SWA Group