Scientific American Environmental Science for a Changing World Digital Update 4th edition by Karr

Scientific American Environmental Science for a Changing World Digital Update, 4th edition by Karr and colleagues from Macmillan introduces environmental science through current issues, case studies, and the Scientific American style of inquiry. The text explores ecosystems, biodiversity, population growth, climate change, energy, water resources, pollution, agriculture, and sustainability. By linking scientific concepts to policy decisions and everyday choices, it helps students evaluate evidence and understand human impacts on natural systems. This edition is suitable for introductory environmental science courses that emphasize critical thinking and real-world environmental challenges.