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Sometime around 1500 AD, an African farmer planted a maize seed imported from the New World. That act set in motion the remarkable saga of one of the world’s most influential crops—one that would transform the future of Africa and of the Atlantic world. Africa’s experience with maize is distinctive but also instructive from a global perspective: experts predict that by 2020 maize will become the world’s most cultivated crop. James C. McCann moves easily from the village level to the continental scale, from the medieval to the modern, as he explains the science of maize production and explores how the crop has imprinted itself on Africa’s agrarian and urban landscapes. Today, maize ...
In ‘Reclaiming Nature’, leading environmental thinkers from across the globe explore the relationship between human activities and the natural. This is a bold and comprehensive text of major interest to both students of the environment and professionals involved in policy-making.
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Environmental Health has established itself as the most succinct and comprehensive textbook on the subject. This extensively revised and rewritten third edition continues this tradition by incorporating new developments and by adding timely coverage of topics such as environmental economics and terrorism. As in previous volumes, the new edition presents balanced assessments of environmental problems, examining their local and global implications, their short- and long-range impacts, and their importance in both developed and less developed countries of the world. The Third Edition also addresses emerging issues such as environmental justice, deforestation, the protection of endangered specie...
This volume offers an overview of the processes of zoonotic viral emergence, the intricacies of host/virus interactions, and the role of biological transitions and modifying factors. The themes introduced here are amplified and explored in detail by the contributing authors, who explore the mechanisms and unique circumstances by which evolution, biology, history, and current context have contrived to drive the emergence of different zoonotic agents by a series of related events.