People have been adding greenhouse gases to the atmosphere. as the amount of gases increases, climate change grows worse. How Climate Change Works examines the science behind climate change, explaining how climate change began and how changes in the atmosphere lead to changes on Earth. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.