Many people worldwide lack adequate access to clean water to meet basic needs, and many important economic activities, such as energy production and agriculture

The vast scope of conservation problems has forced biologists and managers to rely on "surrogate" species to serve as shortcuts to guide their decision making.

Dave Foreman and Howie Wolke identify America's 368 remaining wilderness areas by state and region. They describe for each the diversity of its flora and fauna,

As scientists claiming specialized knowledge about indigenous peoples, especially American Indians, anthropologists used expositions to promote their quest for