When it comes to sustainability, where do financial services companies fit in relative to the tech hardware companies, relative to the oil and gas companies?

These were the kinds of questions Heather Lang and her colleagues as Sustainalytics had to answer when they evaluated companies for Newsweek’s Green Rankings. Learn how they approached their research, and why an insurance company ended up in first place.

This video interview was produced by Video4Good for 3BL Media.