VF Corporation — one of the world’s largest single purchasers of cotton, whose brands include Lee, Wrangler and The North Face — says much of the world’s cotton comes from areas that are expected to be impacted most by water scarcity and extreme weather such as the Western US, China, Pakistan and India. The IPCC report makes firms’ risks associated with climate change even more clear, says Letitia Webster, VF’s director of global corporate sustainability.