We randomized 43 villages in Bangladesh to receive information on well-water arsenic that emphasized water safety … with arsenic levels (gradient message). The gradient message led to 50% more switching of water sources when the arsenic … level was moderately unsafe, but 40% less switching at high arsenic levels. The differences in behavior are at least …

service area boundary in Washington County, Pennsylvania to identify the housing capitalization of groundwater risk … wells increases housing values, though risks to groundwater fully offset those gains. By itself, groundwater risk reduces …