On just one day in May, two US oil majors suffered a rebellion by shareholders who demanded action on climate change and a Dutch court ordered Shell to cut its greenhouse gas emissions.

But was it a one-off, or are we seeing the battle for climate action move increasingly to the courts?

And as some governments seek to embed the price of carbon into the products we buy, this former World Trade Organization judge tells us that even more litigation is likely.

To consider how significant these events will prove to be, Radio Davos spoke to James Bacchus, Adjunct scholar the the Cato Institute and Distinguished University Professor of Global Affairs and Director of the Center for Global Economic and Environmental Opportunity at the University of Central Florida.