This book examines the impact of global warming on ecosystems and biodiversity. It introduces key concepts such as climate change, ecological balance, and environmental shifts. The text explores how rising temperatures, changing precipitation patterns, and extreme weather events affect terrestrial and aquatic ecosystems. It also discusses the consequences for biodiversity, species distribution, and ecosystem services. Adaptation and mitigation strategies are highlighted to address these challenges. The role of human activities in accelerating environmental change is critically examined. By integrating scientific knowledge with environmental perspectives, the book serves as a valuable resource for students and professionals in environmental science and climate studies.