Airs Sunday, December 13, at 6 p.m. "It's about flooding in Tuvalu, it's about landslides in California, and it's about the lose of things like the Great Barrier Reef and kelp forests across the Pacific. So it's all of these things connected." And top address these concerns, on November 30th, political leaders from nearly 200 countries will gather in Paris for a United Nations summit on climate change. The global community has tried before, with limited success, to find ways to limit warming of the planet. Will this time be different?