This book explains, clearly and concisely, the science and social science necessary to understand environmental issues, using learning outcomes, text boxes, tables and figures throughout to make complex ideas accessible and relevant. It describes in section one the philosophies, values, politics, and technologies which contribute to the production of environmental issues. It uses cases in section two on climate change, waste, food, and natural hazards to provide detailed illustration and exemplification of the ideas described in section one. The conclusion, a case study of Mexico City, draws together the key themes.