The quest for finding more sources of water has led researchers from Northwestern University, Illinois (US) to discover a gigantic reservoir of the life-saving compound that is three times the size of Earth s oceans combined, 700 km beneath the planet s surface in a rock known as ringwoodite
it turns out that the very thing we studied, climate change, is threatening the very place where she s conducting her research. this coral island is slowly falling victim to the rising seas. joining me now, the man you heard there, correspondent for showtime s years of living dangerously, and executive vice president of development communication strategy for conservation international. great to have you here. great to be here. so you went out to christmas island to join the scientist. why is she out there? what is she looking for out there? she s looking for a signature to understand whether el ninos can become more frequent and more severe with climate change. so el nino s start os start . they start there. the biggest ocean in the planet is where el ninos are spawned. what is el nino, and why is it so intensely destructive when it happens? gigantic ocean, and it s a pulse. and it s a repeated event that happens naturally over the course of years.