Los biocombustibles

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

A simple biography of the naturalist who founded the Sierra Club and was influential in establishing the national park system.

Follows The Thirteenth Amendment That Freed The Slaves, The End Of The War, And The Death Of President Abraham Lincoln.

Describes what early planes and air travel were like, how planes were developed to travel faster, and presents some pioneers of aviation.

This book introduces children to fascinating figures throughout history. They include Ramses II, Moctezuma, Nostradamus, Albert Einstein, and Stephen Hawking.

Roam the North American wilderness with some of our continent's most fascinating canines. Stunning color photos capture these wild animals in their natural surroundings as the text describes each canine's habitat, physical features, and special abilities. Explore the social lives of these captivating creatures, their amazing survival techniques, reproduction, development, and interaction with humans. Discussions of threats to habitat and hunting promote environmental awareness in young readers.

A través de una selección de obras de diferentes periodos históricos y lenguajes (pinturas, esculturas, instalaciones, vídeos, fotografías, dispositivos archivísticos...), esta exposición analiza el potencial socializador, transgresor y político que tiene el juego cuando aparece vinculado al espacio público. Se parte de una doble premisa: por un lado, la tradición popular del carnaval nos muestra que existe la posibilidad de utilizar la lógica lúdica para subvertir, reinventar y transcender el orden establecido, lo cotidiano devenido en mero ejercicio de supervivencia; por otro...