Why is it important that developing countries be involved in international pollution reduction negotiations?

Environmental Economics A. Addressing global warming 1. On efficiency grounds, where should cuts in greenhouse gases be made? 2. On “fairness” grounds, where should cuts be made? 3. Why is it important that developing countries be involved in international pollution reduction negotiations? 4. Why might international greenhouse gas reduction be a good candidate for tradable permits solutions? 5. What are likely problems with this approach?