In 2011, residents of Daybreak, a 4,200-acre master-planned community in South Jordan, Utah, will drive, bike or walk across the $2-million Brookside Bridge, which is made almost completely out of recycled materials. By then, project officials hope an environmental rating system for infrastructure will exist to quantify the bridge’s eco-friendliness. Photo Courtesy Of Kennecott Land Precast arches made out of recycled concrete were built on site, not shipped. Photo Courtesy Of Kennecott Land Builders of a Utah community bridge want a green rating. This June, contractor Ralph L. Wads-worth Construction, Salt Lake City, took two days, 500 worker-hours and twin
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.