This textbook presents the latest knowledge on various disciplines of forestry science presented in 39 chapters. Each chapter presents a reappraisal of theory and practice, applications and future scope of subject area. It is a single point reference for updated information on both traditional and contemporary areas of forestry. Some of the disciplines covered in the book are biotechnology, remote sensing, forest certification, forest management, forest hydrology, climate change, plantation and urban forestry, biodiversity and genetic resources conservation, wildfire science, seed science and quality seed production and ecosystem services. The book primarily serves as an advanced textbook of forest science for students of forestry at all levels. The science of forestry is receiving much more attention of the researchers, policy makers, and general public than ever before because of growing awareness of vital importance of forests in amelioration of world environment. This book is a comprehensive collection of existing and new methods including outcome and future possibilities of forest science. This book benefits undergraduate and postgraduate students, professional researchers, teachers, practicing foresters, and policy planners. The book also encourages the general public to understand the relevance of forest science to overcome the contemporary economic and environmental challenges.