One third of the Peruvian population — 9 million people — live in Lima. Problem is, Lima is a desert. It does not rain there. At all. Lima depends on glacier melt for the sprawling city’s drinking water. Yet those Andean glaciers have shrunk by 30 percent due to global warming. On the evening of Dec. 1, 2015, the Triad’s top news anchor invited me on WGHP-TV to talk about the UN climate summit in Paris, I was more than happy to do so.