human influence on nature

Reveals the course of the agricultural revolution, showing how basic archaeological methods and modern technologies are used to investigate one of the most important developments in human history.

Explores some of the ways in which humans have affected bird populations across the nation and the steps that have been taken to protect them.

Text and illustrations introduce young readers to protecting the environment, discussing recycling, the declining rainforests, and more.

Outlines twelve tips for protecting animals in danger, including raising money for conservation groups and planting a butterfly habitat, and explains how each action can help save endangered species.

Discusses the environment of North American prior to settlement, based on records left by settlers and researchers, covering first efforts at colonization in the context of the natural history of various regions, from Baja California to the Great Plains.

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.

In 2013 the Pew Research Center conducted a poll of more than 37,000 people in 39 countries and found that more than half believe climate change is a major threat. Through a narrative-driven pro/con format supported by relevant facts, quotes, anecdotes, and full-color illustrations this title examines issues related to climate change.

Examination of the attitudes that have underlain the European settlement of America.

Gives information on the history of the dolphin and its threatened existence.