What do you believe is the most significant human-caused greenhouse gas? What is one significant change that you could make to curtail or eliminate this effect?

1. In this unit, you learned about numerous causes of greenhouse gases. What do you believe is the most significant human-caused greenhouse gas? What is one significant change that you could make to curtail or eliminate this effect? Summarize how these environmental impacts vary between individuals and countries.2. In this unit we learned about your ecological footprint and the impact you are having on our planet. Using the Global Footprint Network’s Ecological Footprint Calculator, determine your place in the environment. View the tabs at the top of your results page and take a few minutes to analyze. Discuss the results with your classmates. What surprised you? What did you learn from the results? Did this make you want to change anything about your lifestyle?