effect of human beings on

Every backyard is its own habitat for many different living things. Readers learn how these living things are connected as they pass energy to one another. Plants, insects, mammals, and other creatures are linked through backyard food chains, and, as readers will see, these food chains come together to form a large backyard food web. A helpful food web diagram is presented alongside engaging text and fact boxes. Readers see even the tiniest backyard critters up close through colorful, detailed photographs.

"Information about some of the more important and interesting endangered animals of Africa, including the animal's common name, scientific name, and conservation status; also includes a map showing the range of each animal featured; and a glossary, additional resources, and an index"--Provided by publisher.

Presents a comprehensive study of human civilization in the northeastern and midwestern sections of the United States, and focuses on economical and environmental issues, the relationships between different groups of people, and more.

Presents a comprehensive ecological history of California mining between 1849 and 1874 discussing the hydraulic technology that was used that poured poisonous debris into the rivers, extensive logging, ranching, city building, and other elements that altered the environment.

What has a world-famous theologian discovered in the Australian Aboriginal Dreamtime that strikes him as absolutely essential for our survival?.

Biodiversity is the very foundation of life on Earth, yet it is still very poorly understood.

Examines the debates and issues of climate change and the fight for the future through science.

Describes how human behavior can affect butterflies, explains how people can take action to ensure their survival, and introduces eleven species.

Reflects on the puzzle of human revolution, on where we came from and where we may be heading.