Economic theories offer many explanations for why exposure to environmental risks may vary by race: pure discrimination by polluters or politicians in siting decisions; differences in willingness to pay for environmental amenities linked to income or education levels; and variations in the...

The cleanup of hazardous waste sites under the U.S. Environmental Protection Agency's Superfund program is governed by a number of legislative and regulatory constraints. Congress passed legislation in 1986 directing the Environmental Protection Agency (EPA) to pursue permanent remedies that...