Environmental issues are interdisciplinary in character and raise a variety of legal, social, economic, and ethical questions. Science has an important role in enacting, implementing, and enforcing environmental law. However, those conflicting questions are not easy to be resolved only by science. In the 1960s, Rachel Carson had questioned the government's manipulation of science to support the toxicological safety of pesticides, which therefore launched the beginning of the environmental movement in U.S. Even today, the continuing debate on regulatory reform has not yet reached consensus on...