Dave talks to two NASA climate scientists on the topic of global sea level rise. First, longtime friend of Blue Dot Josh Willis joins us to talk about the difficulties of collecting data from Greenland's massive ice sheets in a time of pandemic and discusses the rigors of peer reviewed research. Then NASA/JPL Postdoctoral Fellow Thomas Frederickse visits with us from the Netherlands. He led a breakthrough study on the water cycle budget that for decades has mysteriously underestimated the