Our warming planet poses an increasing risk to business operations, and some companies are managing better than others. For instance, NRG Energy (NRG 0.34%) and some other utilities are rethinking the entire electrical grid in the wake of repeated storm destruction. Wal-Mart (WMT 0.57%) is pursuing new efficiency mechanisms to make its supply chain more resilient to shocks.

John Vechey of PopCap Games recently joined The Motley Fool for a climate change summit. His first panel guests were Dr. Rachel Cleetus and Dr. Joe Casola. Dr. Cleetus is a climate economist with the Union of Concerned Scientists, and Dr. Casola is program director for science and impacts at the Center for Climate and Energy Solutions. They both offer insights in this video into what investors should look for when considering how a particular company is coping with climate change and responding to risk in today's changing world.