This unique addition to reference literature provides an introduction to the major concepts and contemporary issues that are essential for students of environmental science and environmental studies to know. With over 200 entries authored by world-class names like Anthony Brazel, John Day and Edward Keller, this text is divided into six sections: Environmental Science, Environments, Paradigms & Concepts, Processes & Dynamics, Scales & Techniques, and Environmental Issues.  



Evolution is the central unifying theory of biology. It explains the vast variety of life that exists on the planet today. Evolution can be defined as the interaction of all the processes that have transformed biodiversity over long periods of time from the earliest life to the present. Charles Darwin is perhaps the most famous biologist of all times. In 1859, he published On the Origin of Species by Means of Natural Selection. With this publication, biology was unified into a comprehensive science because Darwin presented an explanation of how biodiversity came about. His theory addressed the great diversity of life, geographic distributions of animals and plants, how species originate and adapt, and why there are similarities and differences. Darwin argued that species evolved over ...

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