Recent studies have shown the environmental benefits of timber residential developments and in future wooden skyscrapers could hold the key to more environmentally-friendly cities, said senior officials of top Japanese architect group Nikken Sekkei.  They were addressing a key gathering on the opening day of Cityscape Global real estate expo in Dubai.  One of the world’s largest architectural and engineering design firms, Nikken Sekkei employs over 2,770 professional staff in six group companies offering comprehensive design, engineering, management, consulting and R&D services.  The company's portfolio consists ...