Half the world's population will suffer water shortages within 15 years according to the World Bank, just one of many recent alarming reports surrounding the world's fresh water supply. And now a newly released report called "America's water risk" found that several major U.S. cities are facing a severe risk of water scarcity due to drought and population growth. But one Utah man who's "bugged" by those reports - is trying to conserve water by changing taste buds. Water remains one of the world's most valuable resources, but by all accounts we're bankrupting it mostly to produce food.