Peter Essick has been a contract photographer for National Geographic magazine since 1996, specializing in stories on nature and the environment. He has photographed both the pristine landscapes of Patagonia and the American wilderness, as well as environmental issues such as global warming, nuclear waste, and high-tech trash. His photos were featured in the documentary An Inconvenient Truth, and they have been featured on television programs as well. In 2002, World Press Photo awarded him first prize for his story on nuclear waste.