The world's largest companies are under-reporting sustainability performance, according to research.
Just 47% of 4,469 companies listed on world stock exchanges disclosed greenhouse gases (GHGs) data, according to the study commissioned by insurance firm Aviva.
The research tracked corporate disclosure on payroll, GHGs, energy, water, waste, injury rate and employee turnover. Each stock exchange was assessed on the percentage of companies whose businesses involve environmentally-friendly activities, technologies and services versus high-carbon emission activities.
Euronext Amsterdam was the best-performing exchange on disclosure of sustainability metrics, the study found. The London Stock Exchange was ranked eighth.
Meanwhile, the World Business Council for Sustainable Development, the Climate Disclosure Standards Board and Ecodesk have created a free sustainability reporting tool. The Reporting Exchange outlines regulations, policies, practices and standards in different countries.