Enivronmental, Social and Governance (ESG) is an emerging way of measuring a company's impact and potential as an investment target. This chapter in "ESG Investment in the Global Economy" gives a good overview.
ESG Metrics are available in a few sources
Current scores from CSRhub are available in NexisUni for over 30,000 organizations. There is no history available.
Search for CSRhub ESG Ratings in the main search and select "add source as filter" when it appears in the suggestions. You can then search for a company.
Several datasets are included in Wharton Research Data Services, which allows larger data extracts.
Access to Sustainalytics and Trucost is provided by the Rustandy Center for Social Sector Innovation at Chicago Booth