After the publication of the TCFD recommendations in June 2017, C2ES identified that companies needed support in implementing certain aspects of them – including how to use scenario analysis to assess climate-related risks and opportunities. This report identifies best practices that companies are employing. It also includes a discussion of some challenge areas, including how companies are navigating a more complex disclosure landscape, addressing legal concerns related to disclosure, and taking a holistic look at both transition and the physical risks of climate change.