natural resources

Introduces the reader to natural resources and how to protect them.

A four-volume set that provides a wide variety of perspectives on both traditional and more recent views of Earth's resources.

A four-volume set that provides a wide variety of perspectives on both traditional and more recent views of Earth's resources.

A four-volume set that provides a wide variety of perspectives on both traditional and more recent views of Earth's resources.

A four-volume set that provides a wide variety of perspectives on both traditional and more recent views of Earth's resources.

Readers learn what mechanical energy is and how it has been harnessed in inventive ways over the course of history.

Discusses the issues being faced as natural resources are being used faster than they can be replaced, what can be done to reduce ones usage of natural resources, and efforts to find alternative sources of energy.

Par?s, a?o 2030. Como las cat?strofes naturales est?n a la orden del d?a, se organiza la primera Cumbre de los animales. Su objetivo: reunir el m?ximo de que habitan la Tierra y pactar una manera equitativa de gestionar los recursos. Kid, una ni?a de once a?os, es escogida entre miles de alumnos para cubrir este evento hist?rico. Cuando una explosi?n repentina deja incomunicada la sala, las especies se ven forzadas a encontrar la manera de comunicarse y cooperar, si es que quieren salir de all? con ?xito. --page [4] of cover.

Readers discover essential facts about the environment as they expand their knowledge of fossil fuels such as coal, oil, and natural gas.

Introduces fossil fuels, including the different types and uses, challenges, future use, and more.