NEW YORK--(BUSINESS WIRE)--Of the 500 largest publicly traded companies in the United States and globally, MetLife ranks in the top 20 for environmental performance on both lists, according to Newsweek magazine’s 2015 Green Rankings. MetLife is ranked No. 13 among publicly traded companies in the United States and No. 19 globally. This marks the first time MetLife has entered the top 20 for both sets of Green Rankings. The Newsweek Green Rankings are based on an analysis of each company’s publi