Books in Resources series

During the course of millions of years, animals have adapted to various environments on Earth. Although animals have evolved over geologic time to Earth's constantly changing environments, and although the extinctions of certain species are normal, in no other time in the planet's history has the extinction rate climbed as high as it is today. Causes of this unprecedented extinction rate include destruction of wildlife habitat, pollution, overfishing, and poaching. Animals illustrates these urgent issues in a manner accessible to middle and high school readers.Coverage includes:The causes and rates of extinction and what the true costs are The diverse and unique uses and contributions of animals and how they affect our daily lives The future of animals and how everyone can help create and provide animal habitats for subsequent generations to enjoy.

Minerals, metals, and elements are critical to society - they are used to make thousands of products that people use worldwide every day. This volume examines how minerals form and why they occur where they do. It focuses on civilization's fascination with these valuable commodities, and looks at mining and its development, as well as mineral resources found deep in the oceans.