The first edition of Toward a Unified Ecology was ahead of its time. For the second edition, the authors present a new synthesis of their core ideas on evaluati

Risk assessment has become a dominant public policy tool for making choices, based on limited resources, to protect public health and the environment. It has be

"A Bradford book." Bibliography: p. [491]-523. Includes index.

Citizen science enlists members of the public to make and record useful observations, such as counting birds in their backyards, watching for the first budding