Related Links: LEED v4 Approved by USGBC Members Skaska USA CEO: Don't Let Green Standards Wither ENR's 2013 Top Green Design Firms Tumult Grows Over LEED Rating System Update An Uphill Battle Against LEED-Based Codes International construction giant Skanska USA has terminated its membership in the U.S. Chamber of Commerce due to what the firm views as attempts to “halt progress in sustainable building.” The move reportedly came after failed talks with the U.S. Chamber about its policies and follows on the heels of a pro-LEED op-ed in the Washington Post penned by Michael McNally, president and CEO of Skanska