China and Taiwan are two of the fastest growing economies of the newly industrialized countries. Much of their growth has come from multinational companies; partly, it has often been assumed, because the region provides a 'pollution haven' which the multinationals would not enjoy elsewhere. Corporate Environmentalism in China and Taiwan tests this hypothesis with detailed empirical research. Focusing on the chemical sector, the author compares the policies and behaviour of three multinational corporations with three large, local firms. The research shows that in fact the multinational companies have out-performed local companies in the phenomenon of 'greening'.