Use the information in Border 2012 to answer the questions below. 1. Identify 3 of the 15 pairs of sister cities along the U. S.-Mexico border.
2. Do you think the health of the environment in the border region and the health of the residents will improve or worsen in the future? Explain your answer.
3. Why is it important that both nations work together to clean up the pollution?
4. Use the information in the article and the map to explain how two nations can work together to balance their own interests and needs with the health of the environment.