A green chemical revolution is underway that promises to be environmentally sustainable and profitable while reducing the risks of industrial disasters like the Bhopal, India gas leak in 1984... Green chemistry is an international issue because pollution and toxic releases can have an impact globally, says Kenneth Seddon, a professor of chemistry at Queens University in Belfast, Ireland... [refers to chemical-related environmental harms by DuPont, General Electric, Union Carbide (part of Dow Chemical); refers to use of "green chemistry" by Toyota, Procter & Gamble, Pfizer, DuPont]