Environmental – How a company acts towards the welfare of the planet. What kind of impact does it have on the environment?
Social – How an organisation treats its employees, customers, suppliers and local communities. Includes factors such as racial diversity, inclusiveness and recruitment practices.
Governance – How a company is run, including the way it is audited and the way it administers shareholder rights. Also covers attitudes to executive pay as well as how a business communicates and generally interacts with its shareholders.