The document discusses various risks related to water scarcity and quality issues, including physical, regulatory, reputational, financial, species, and ecosystem risks. It also discusses the concepts of virtual water and water footprint, which measure direct and indirect water usage. Several companies like SABMiller, Marks & Spencer, and others are working to address water risks and impacts in their supply chains through initiatives like the CEO Water Mandate and Alliance for Water Stewardship. Resources on water risks and stewardship are provided.