This requires strong institutional capacity and regulatory frameworks, which are often lacking in many developing countries. By adding local content to projects and by adapting RETs to local conditions, it is possible for developing-country first-mover manufacturers to benefit from domestic and international demand for RETs. Trade in RETs has in fact been brought into focus, for instance, as a possible contribution of the WTO to global climate mitigation efforts (see Vikhlyaev, Fliess, Zhang and Jha in this Review).