Once a Climate Agreement is Reached, What Next?

The main expectations from the two-week United Nations Climate Change Conference about to begin in Paris are that the outcome should be a concrete plan with achievable goals from every nation that participates – meaning that by 2025, carbon emissions will be at a much lower level than they are today. But once that agreement is reached -- what will it take to actually implement it? VOA’s Jane Bojadzievski has more.