The United Nations are meeting in Paris this month to decide the fate of our shared planet. Climate change is the subject, and how we'll mitigate damage is the talk that surrounds it. A total of 195 nations gathered this week to chop through planned global agreements to fight global warming. The key reason talks aren't simpler: cash. These nations have to decide who will foot the bill for assisting in mitigation for developing countries, and the U.N. as a whole isn't exactly sure who should do it.