McWay Falls, Big Sur, California. Credit: Roddy ScheerWhen most people think of California, they think of sunshine, palm trees and beaches. However, there is another, grimmer side to California. Overcrowding, pollution and climate change is creating a serious health and environmental crisis in the Golden State. While the problem is multifaceted, one thing is clear: the issue must be addressed before it becomes much worse. California: The Smoggiest State?