Sectors dependent on food, water, energy or ecosystem services need to scrutinize the resilience and viability of their supply chains, while carbon-intensive sectors need to plan for more invasive regulation and the possibility of stranded assets, PwC says.

Drought, poor quality, flooding and other water-related challenges negatively affected 53 percent of the world’s largest listed companies in the past five years, up from 38 percent last year, yet there’s been no increase in the number of corporations providing water-related risk assessments to investors, according to an October report by the Carbon Disclosure Project.

In September, CDP’s 2012 Global 500 Climate Change report found 81 percent of reporting companies have identified physical risks from climate change, compared to 71 percent in 2011, with 37 percent perceiving these risks as a “real and present danger,” up from 30 percent in 2011 and 10 percent in 2010.