Water is one of Earth’s hot environmental topics. The scarcity of clean drinking water will have dramatic consequences for humanity in the 21st water disputes could spark regional conflict, while increased desertification and drought could affect world food supplies and the future of farming. Not a Drop to Drink conveys a clear message to young readers about this precious commodity and our urgent need to conserve it. National Geographic supports K-12 educators with ELA Common Core Resources. Visit www.natgeoed.org/commoncore for more information.