The world community simply should not support such extreme measures when there are so many other pressing issues at hand. The optimal response to greenhouse gases is to start modestly.
I see love developing from friendship. Common ground is a strong basis for friendship. My husband is my best friend and we have a lot in common even though we're admittedly different people. I think it evolves from how I see relationships working. You know, the opposites attract thing happens all the time, but so does the best friends thing. It's just a great kind of relationship in fiction.