The NASDAQ OMX CRD Global Sustainability 50 Index announces semi-annual ranking of companies taking leadership roles in sustainability performance reporting…Companies that have been added include Agilent Technologies, Bristol-Myers Squibb, Dow Chemical, Eli Lilly, and Motorola…Companies removed from the index include Barrick Gold and Pfizer...BP, the oil and gas company whose Gulf of Mexico oil spill disaster was only the most recent of its major environmental and safety calamities…Royal Dutch Shell, whose pipelines in Nigeria spilled 14,000 tons of oil in 2009…(The) Global Sustainability 50 Index includes companies that have taken leadership roles in “disclosing their carbon footprint, energy usage, water consumption, hazardous and non-hazardous waste, employee safety, workforce diversity, management composition and community investing.”