Calvert Group launched a rating system for analyzing and ranking corporate responsibility policies and performance of the 100 largest U.S. corporations based on market capitalization. The Calvert Ratings will assess the companies on business practices, including corporate governance, business ethics, environmental policies, workplace issues, human rights and community relations. Each is scored on a scale of 1, the lowest, to 5, the highest. The ratings seek to "raise awareness about the connections between a company's social and environmental performance and its long-term financial performance," according to a company statement.
Intel Corp., Santa Clara, Calif., received the highest overall ratings with scores of 5 in each of four categories and a 4 in business practices. Wal-Mart Stores Inc., Bentonville, Ark., received the lowest overall ratings with scores of 1 in each of four categories and a 2 in business practices.