Biogen Idec (US) is the most sustainable company on earth this year, according to The Corporate Knights Most Sustainable Companies of 2015 list. It is followed by Allergan (US) and Adidas (Germany) in second and third position, respectively.
The Global 100 list is based on an extensive analysis of more than 4,600 major listed corporations. All listed companies with a market capitalisation in excess of US$ 2 billion-numbering 4,609-were considered in the 2015 Global 100 project. Several key indicators are used to assess the corporations, focusing on factors such as greenhouse emissions, consumption of energy and water, and the amount of waste produced. The safety performance, remuneration schemes, management, equality, investments in research and development, and taxes paid are also considered.
You can view the ranking and related information here.