Which of the following statements best explains why a binding international treaty for decreasing carbon dioxide levels in the atmosphere might be more effective than passing a law with the same goal in the United States? (2 points) The atmosphere is a global commons. Violation of a law has fewer penalties than violation of a treaty. The international community has more money for enforcement. Developing countries emit more carbon dioxide than the United States does. Atmospheric carbon dioxide levels are less of a concern in the United States.