19th-century British imperial expansion dramatically shaped today's globalised world. Imperialism encouraged mass migrations of people, shifting flora, fauna and commodities around the world and led to a series of radical environmental changes never before experienced in history. Eco-Cultural Networks and the British Empire explores how these networks shaped ecosystems, cultures and societies throughout the British Empire and how they were themselves transformed by local and regional conditions. This multi-authored volume begins with a rigorous theoretical analysis of the categories of 'empire' and 'imperialism'. Its chapters, written by leading scholars in the field, draw methodologically from recent studies in environmental history, post-colonial theory and the history of science. Together, these perspectives provide a comprehensive historical understanding of how the British Empire reshaped the globe during the 19th and 20th centuries. This book will be an important addition to the literature on British imperialism and global ecological change. This diverse collection of essays from around the globe provides fascinating and stimulating perspectives on the reciprocal webs of empire. In linking diverse regions such as China, New Zealand, Australia and Canada, the authors combine their innovative research with clear writing. Their unravelling of complex transnational and trans-colonial eco-cultural networks deserves close attention from all who are interested in understanding more fully how the kaleidoscopic imperial exchange of commodities and environmental ideas shaped our world.