Covalence EthicalQuote, based in Geneva, Switzerland, aggregates numerous online articles. By using an international analytic team, it ranks the article coverage according to criteria based on the Global Reporting Initiative: water management, pollution, biodiversity, product safety, emissions and waste management.
Google has been pinned to the top of green businesses, followed suit by Microsoft. Wal-Mart, while not exactly noted as a green leader, ranks 4th in the tier. Facebook is squeezed in at number 7.