From the earliest times humans have shaped and changed the landscape. Historical and modern-day examples in this interesting book show how natural habitats and wilderness areas are destroyed as people need more land for farming and to build towns and cities, and how increasing urbanization of populations is adding to the problem of carbon emissions that cause climate change.
This book explains eco-friendly energy using the most current information to establish the understanding that it does not take much to make the world a better place.
En esta serie se explican las formas más importantes de energía alternativa que se usan actualmente, en este volumen conocerás todo acerca de los biocombustibles.
En el libro se explica qué son las placas tectónicas y cómo ocurren los terremotos y los tsunamis.
En el libro se explica la importancia del agua para la vida y cómo se puede mantener un abastecimiento sustentable.
En esta serie se explican las formas más importantes de energía alternativa que se usan actualmente, en este volumen conocerás todo acerca de la energía del Sol.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo natural con el tema de la energía.
En el libro se explica qué es la biodiversidad y cómo puede ayudar a conservar las especies de plantas y animales de los diferentes ecosistemas.
This book provides the history of biofuels along with their different uses, their positive and negative characteristics, and how they may impact the future.
En el libro se explica cómo se protege a la población de las inundaciones.
Learn how structures are being built to withstand nature's destructive forces.
The Tigris and Euphrates rivers surround a region once known as Mesopotamia, the "cradle" of ancient civilizations that included Sumer, Babylonia, and Assyria. This fascinating book follows both rivers from where they begin in Turkey, travel down through northern Syria and Iraq, and join to form the Shatt al Arab before emptying into the Persian Gulf.
This informative book follows the St. Lawrence River, once a main route of the fur and timber trades. This important commercial waterway forms part of the boundary between Canada and the United States and connects the Great Lakes with the Atlantic Ocean. Today, a system of canals, dams, and locks lets seagoing ships travel all the way to Lake Superior.
The Nile is the worlds longest river and the birthplace of one of the greatest civilizations of the ancient world. This book takes readers along the River in the Sand. Ancient Egyptians depended on the Niles annual floods to deposit fertile soil for farming. Today, more than 70 million people still grow crops in the rivers basin and fish in its waters.
The mighty Yangtze River, the third-longest river in the world, is the birthplace of Chinese civilization. This intriguing book takes readers along this ancient transportation route, strategic natural boundary, and lifeblood of an agricultural society. The near completion of the Three Gorges Dam has displaced more than a million people and changed the river's ecosystem dramatically.
This engaging book highlights the Rhine River, a major transportation route in Western Europe. Fairytale castles and picturesque vineyards provide scenic stretches between Basel, Strasbourg, Cologne, and Rotterdam. Cooperation by Switzerland, France, Germany, and the Netherlands has helped restore the rivers health.
This amazing book reveals the facts about the Ganges, a river sacred to Hindus. Flowing through one of the most densely populated areas in the world, its banks are also the site of shrines, temples, and holy cities, including Varanasi, one of the oldest continuously inhabited cities in the world.
This wonderful book takes readers along the mighty Mississippi. Often celebrated in music and literature, its exploration by explorers spurred the growth of a new nation. Today, the Mississippi not only provides transportation for agricultural and industrial goods but also supplies water for millions of people.
Second in length only to the Nile, the Amazon River carries a greater volume of water than any other river in the world. This attractive book features the fascinating facts about this far-reaching river and the animals, plant life, and indigenous cultures that live in the surrounding rain forest.
This collection of traditional tales and proverbs from over twenty ethnic groups touches upon both human and ecological themes such as environmental protection, the care of other creatures, and the connection of all things in nature.
A look at cougars, including their habitats, physical characteristics such as their tawny coats, behaviors, relationships with humans, and protected status as a game animal in the world today.
A look at camels, including their habitats, physical characteristics such as their humps, behaviors, relationships with humans, and protected status of wild species in the world today.
As our world's population grows, so to does our need for energy. Scientists seek the next breakthrough in new technology while constantly finding ways to make current solutions cheaper and more efficient. In this title, discover what biomass energy is, its history, how we use it today, and how new technologies can contribute to our energy future. Learn about cutting-edge biofuels, including ethanol, biodiesel, and fuels from switchgrass and algae, and technologies that allow us to turn waste into energy. Sidebars, full-color photos, full-spread diagrams, well-placed graphs, charts, and maps, stories highlighting innovations in action, and a glossary enhance this engaging title.
As our world's population grows, so to does our need for energy. Scientists seek the next breakthrough in new technology while constantly finding ways to make current solutions cheaper and more efficient. In this title, discover what hydrogen and fuel cells are, their history, how we use them today, and how new technologies can contribute to our energy future. Learn how hydrogen extracted from ordinary water can be used to power homes and businesses or run fuel cells in vehicles. Sidebars, full-color photos, full-spread diagrams, well-placed graphs, charts, and maps, stories highlighting innovations in action, and a glossary enhance this engaging title.
