Developing countries face Only the problem of incoming refugees. Only political migration. Only economic migration. The problems of both incoming refugees and brain drain. Which of the following best describes population growth in the developed world! The population of the developed world is relatively young and fast growing. The developed world has a greater population because of long-term growth. The birth rate has rapidly overtaken the death rate. Population growth has leveled off. Which of the following is true? Industrialized states emit greenhouse gases more than developing states. Developing states are more concerned with economic development than with pollution. Developing states have agreed to cut greenhouse emissions as outlined in the Kyoto Protocol. All of the above