This is the ninth lesson in a series of learning modules on the topic of climate change. It examines what humans can do to lessen the impact of climate change. Students will look at global data for carbon dioxide emissions now and projections for the future, different sources of alternative energy, and what people are doing now to combat climate change. Includes comprehension questions and interactive tools for looking at one's carbon footprint one for exploring the impact of different initiatives on reducing carbon emissions in the future.