Yosemite was forged by time and shaped by the power of water. Water made life possible in this "stone wilderness," carved out the iconic Yosemite Valley, and gave birth to the Earth's largest living trees. But with climate change, Yosemite is feeling the heat. Water is scarcer and the threat of wildfire is more common. Join scientists and adventurers as they explore the past, present, and future of the Sierra... see more