Dr. P.D. Sharma’s remains a cornerstone textbook for students and researchers in environmental sciences, particularly those preparing for competitive exams like UPSC. Spanning roughly 755 pages, this updated edition provides a rigorous exploration of contemporary environmental challenges while maintaining deep academic roots. Key Features of the 13th Edition
: Covers the Wildlife Protection Act, Environmental Protection Acts, biodiversity profiles across different biogeographical regions of India, and the operational framework of major environmental organizations. ecology and environment pd sharma 13th edition pdf work