by Dr. P.D. Sharma is widely regarded as an authoritative and comprehensive textbook for students, researchers, and competitive exam aspirants in India. Published by Rastogi Publications , this seminal work has undergone multiple revisions—currently in its 13th edition—to address evolving environmental challenges like climate change and biodiversity loss. Core Topics and Structure
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Multiple versions, including a compressed 612-page edition, are available for viewing or download on Scribd . Ecology and Environment by Dr