NEW YORK - Institutional investors are urging companies to measure, disclose and reduce their use of water to reduce long-term financial risks as supplies dry up from overuse and as higher temperatures melt glaciers away.

"Companies need to be analyzing their water risk ... and to find ways to conserve water and minimize the opportunities for literally having their business shut down," Mindy Lubber, the president of Ceres, a Boston-based coalition of investors. said in an interview.