Extreme Weather (National Geographic Investigates) : Weather is changing, all around the world. Temperatures are higher, hurricanes are fiercer, droughts are more devastating, and floods are more widespread than ever before. Many of the world's finest scientists are studying our extreme weather today, in hopes of predicting how climate change will affect our future. Read about El Niño, greenhouse gases, the growing ozone hole, and global warming. Meet the scientists doing the most current research and see how modern technology helps them to do their work, work that is vitally important to the survival of our planet. It is National Geographic's mission to explore the world and all that's in it and to bring scientific discoveries and knowledge to the widest array of people possible. National Geographic Investigates introduces young people to cutting-edge techniques of scientific investigation, the most recent research, and the way current discoveries benefit every part of the natural world.