Climate is the average weather in an area over many years. It includes temperature, precipitation, wind patterns, and seasons. Climate is different in different parts of the world, as well as at different elevations. This informative book looks at the weather patterns around the world, the factors influencing climate, such as ocean currents and jet streams, and how the climate is changing today. Students will learn how people and other living things in different places on Earth are being affected by climate change and what we can do to help reduce the damage. Teacher's guide available.