"… urden of environmentally induced cancer has been grossly underestimated.”Richard Clapp, a professor of environmental health at Boston University, said the signif …"

"… in that short a period of time," said Subra, the environmental consultant.Richard Clapp, of the Boston University School of Public Health's Environmental Health D …"

"… some experts questioning whether it should be applied to a child’s head.Richard Clapp, an environmental health expert and professor emeritus at Boston Universit …"

"… tional Institute for Occupational Safety and Health are under lock and key.Richard Clapp, emeritus professor of environmental health at Boston University, is among …"