On May 7, Ernst & Young and Greenbiz Group released their report 2013 Six Growing Trends in Corporate Sustainability. The report found that 51 percent of companies interviewed expect natural resources shortages in the next three to five years. Seventy-six percent of companies said water was the chief concern; oils, metals, minerals, and plant-based resources followed as the next most cited concerns. The report also found that 30 percent of respondents consider resource scarcity in business planning while 36 percent said they do not plan to consider sustainability risks. The study recommended businesses compare global warming projects with supply chains to better manage risks.