RREEF Real Estate and Kennedy Wilson today announced that 901 Fifth Avenue in Seattle, WA, a 41-story 558,607 sq. ft office tower has achieved LEED-EB™ (existing building) Silver certification. The certification marks the completion of one of the largest environmental retrofits in the industry for an existing property and Seattle’s first full city block targeting LEED certification. The new ownership and management of Seattle’s 901 Fifth Avenue...