If U.S. jurisdictions adopt new, more restrictive model energy codes and standards, new buildings may end up using 20% to 30% less energy than existing structures. Late last month, members of the International Code Council voted to accept the 2012 International Energy Conservation Code for new residential and commercial buildings. Early this month, the American Society of Heating, Refrigerating and Air-Conditioning Engineers as well as the Illuminating Engineering Society of North America published ANSI/ASHRAE/IES Standard 90.1-2010. The standard, called Energy Standard for Buildings Except Low-Rise Buildings, provides minimum requirements for energy-efficient design. If followed, the standard could provide more than
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.