Read the sentence below and choose the best answer for the main idea of the passage. of course, individual efforts to reduce emissions can go only so far. cutting co2 and other greenhouse gases down to safer levels requires significant government regulation. lessening carbon footprints does, however, let people see where they are and how they can change. those who think government regulation moves too slowly or who want to accept personal responsibility for their emissions can track their own reductions and alter their individual habits. a. we must have some government regulations to control greenhouse gasses. c. the government has no place creating regulations to control greenhouse gas emission. b. people can track their own personal emissions to reduce greenhouse gasses and not rely upon the government. d. people should take responsibility for their own actions.