Important economic issues today relative to the environment.

a)List in order what you think are the 5 most important economic issues today relative to the environment.
b)In this part, you will discuss each. Focus on costs, benefits, outcomes, and other related topics in defending why these are your top 5.
c)If something were to end life as we know it, what do you think is the number one potential cause of life on Earth ending? What are the environmental consequences? Discuss all. Citation ok but keep to a minimum.