How has human activity hurt our rain forests? How has farming changed Earth’s water cycle? How does carbon dioxide affect the climate? Exciting, eyecatching photographs and easytoread sentences help young readers learn how small changes in Earth’s natural cycles can cause large and dangerous changes in Earth’s climate. The book also has a helpful glossary and an index that direct students to the most important terms and topics. For more content on climate change, check out other titles in the Earth's Changing Climate series!