Answered By: Bobray Bordelon
Last Updated: Aug 16, 2016     Views: 9

KLD Research and Analytics in WRDS. the leading authority on socially conscious investment research. 1991+. Environmental ratings include production of beneficial products and services, pollution prevention, recycling, clean energy, hazardous waste, regulatory problems, ozone depleting chemicals, substantial emissions, agricultural chemicals, climate change, and nuclear power.

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