What have we done to our environment by burning fossil fuels and other activities? What are scientists rushing to understand and circumvent? How can we reverse the damage that our oversight and ignorance have caused? This informative collection of books gives students the facts about extreme threats on our environment. The tone is accessible and responsible without being alarmist. Vivid and graphic photographs support the narrative without being sensational. Each book concludes with a list of activities for the reader in case he or she is inspired to do something about weakening the threat.