Marsupials are the only mammals that have a pouch on their body in which they carry their young. Most of these amazing animals live in Australia, where they have adapted to the harsh conditions of life in the outback. In What is a Marsupial? children will learn astounding facts about marsupials, including the important differences between marsupials and placentals, how kangaroos, koalas, wombats, Tasmanian devils, opossums, and bilbies are related, how marsupials reproduce and raise their young, the ways in which they hunt and feed, and why some marsupials are in danger.
Children will be fascinated by the life cycle of these enormous polar animals. Stunning pictures and clear text guide readers through each stage of a polar bears life from cub to adult. Children will also learn how polar bears are being affected by global warming. Beautiful images and well-written text describe polar bear dens, how cubs grow and learn to live in the Arctic, and polar bear hunting techniques.
Emission of harmful greenhouse gases such as carbon dioxide is posing a grave challenge to nature. The problem of global warming needs to be addressed as soon as possible. How to Reduce your Carbon Footprint clearly explains what an individuals carbon footprint is and what we all can do to make a difference. Special case studies show how these ideas are currently being put into practice around the world.
While it may not be as simple as pouring water into a gas tank, water, or at least the hydrogen that makes up water, will one day become a significant source of energy. In this important new book, children will discover not only what hydrogen is, but also how this simple element can create clean energy. Hydrogens past deals with hot air balloons and airships, its present, space shuttles and fuel cells. What fascinating technologies await its future? Other topics include what energy is, the reasons why clean energy is so important, the technologies that convert hydrogen to usable energy, the obstacles that must be overcome before hydrogen can be a reliable energy source, a case study highlighting Iceland's plan to switch to a society run on hydrogen, what a hydrogen economy is, and a timeline that provides dates for historical breakthroughs in energy production.
Bears are some of the most loved animals on Earth. All over the world, however, bears are at risk. In Endangered Bears, kids will learn about the lives of these beautiful animals and why they are at risk of becoming extinct. Topics include a bear's life cycle, the many habitats in which bears live around the world, how bears communicate through body language and sounds, and threats from hunting, poaching, shrinking habitats and global warming.
Habitat loss, pesticide use, and the collecting of rare species are putting some of the world's most beautiful butterflies in danger. Without action now, it is possible that some species may actually become extinct. In this book, stunning full-color images of these magnificent insects will appeal to young readers and encourage them to take an interest in helping butterflies and their habitats. Children will be fascinated by butterfly bodies, habitats, and defenses, the amazing changes that occur during metamorphosis, and the ways that people are helping protect butterflies and the natural places where they live.
Kids will love reading about these clever and sociable primates! Through beautiful images and descriptive text, kids will learn about the lives of chimpanzees in their African habitats, including what they eat, how they use tools, why they are endangered, and what people all over the world are doing to help save them.
The largest land-dwelling mammals on Earth, elephants are in danger of becoming extinct! Endangered Elephants details both the African and Asian habitats of these animals, the stages of the elephant life cycle, the social structure of elephant herds, and how habitat loss, war, and poaching have contributed to the endangerment of elephants. what people are doing to help save them from extinction
Frogs live both in water and on land and require not one, but two, safe and healthy habitats in which to live and find food. It's no wonder then that some frogs are in danger. This important book explains how sensitive frogs are to changes in their environments and why people need to protect them. Children will be fascinated to learn where frogs live and what they eat, how tadpoles turn into frogs, the dangers of habitat destruction, pollution, and climate change, and how people are helping frogs.
Over hunting of the wolf in Europe and North America almost led to the extinction of the species in the twentieth century. Today, the beauty and mystique of wolves has created a new wave of support for these animals. Beautiful photographs and informative text help children discover the life cycle of a wolf, wolf bodies, a pack's need for territory and prey, the dangers of habitat loss, and the preserves, national parks, and other places where wolves are protected.
Hundreds of thousands of beetles live all over the world in habitats as diverse as swamps, rainforests, and deserts. The Life Cycle of a Beetle describes the growth and development of these fascinating insects from egg to adult. Full-color images of all kinds of beetles, from the familiar to the extraordinary, are included. Illustrations and photographs illuminate topics such as where beetles lay their eggs, the transformation from larva to pupa to beetle, differences between male and female beetles, how beetles defend themselves against predators, the dangers faced by beetles, and how children can help beetles.
Although there are over 9,000 species of birds in the world, each develops from a single-celled egg, is incubated, hatches, and grows to adulthood. Some bird life cycles involve migration. The Life Cycle of a Bird focuses on the various stages and explains the differences in the length of time birds incubate their eggs and care for their young, the development of a chicken embryo and how a chick hatches, the dangers to nesting habitats, and the effects of pollution and how these affect the life cycle of birds.
A monarch born in the fall has two major challenges! In addition to metamorphosis, these butterflies fly 4,000 miles on a two-way migration trek! The Life Cycle of a Butterfly explains butterfly metamorphosis and migration in simple terms. The text is beautifully illustrated with photographs and art, making this book a joy to read. Topics include where butterflies lay their eggs, the "eating machine" caterpillar, the transformation from pupa to chrysalis to butterfly, the monarch migration, and butterfly facts and activity suggestions about how to protect butterflies.
The Life Cycle of a Flower looks at the growth of a flower from seed to the time it is a mature plant capable of producing new seeds. Delightful illustrations, stunning photographs and easy-to-read text help young readers learn how seeds are formed and what different types of seeds look like, the various ways flowers are pollinated, the conditions necessary for a seed to germinate and begin to make a new plant, and how flowering plants benefit animals, people, and the environment.
Frogs begin their lives as tiny tadpoles living in water. As adults, they live both on land and in the water. The Life Cycle of a Frog details the changes in a frog at the four stages: egg, tadpole, froglet, and adult. Illustrations, photographs, and easy-to-read text explain the facts about how the frog breathes and eats at each stage, the differences in the metamorphosis of frogs in southern and northern climates, and the dangers to frogs from pollution, pesticides, and destruction of habitat.
These busy insects have intrigued people of all ages for thousands of years. The Life Cycle of a Honeybee describes each stage of a honeybee's life cycle from egg to adult. Full-color photographs, beautiful illustrations, and easy-to-understand text highlight how a queen lays eggs and forms a new hive, how eggs develop into workers, drones, or queen bees, how the body of a larva changes to that of an adult through metamorphosis, the roles of workers, drones, and queens in the hive, and how honeybees find food.
Environmental activists are concerned for the well being of the environment, including all people, plants, and animals. This wonderfully informative title shows how environmentalists work to preserve and improve the natural environment and how young environmentalists can become positive activists themselves. Readers will learn what actions they can take to make the world a better place to live in.
The fight for animal rights can be controversial. Modern champions for animal rights believe that animals should not be regarded as property, and they should not be used for food, clothing, for entertainment, or in scientific research. This illuminating book helps explain the difference between animal welfare and animal rights, and what cruelty is and who defines it. Young animal lovers will learn how they can fight for the protection and preservation of animals in a peaceful way.
Soil Erosion and How to Prvent It helps young readers see the real impact of erosion on all life. This intriguing book describes the processes of weathering, erosion, and deposition, the impact of erosion on plants and animals, and kid-friendly steps to preventing erosion.
Green living means changing the way we live and use resources so that the environment is able to produce indefinitely the things we need to live. Building a Green Community walks young readers through a model community identifying green living practices at work, at home, on our highways, and at the store. This fascinating book also includes case studies of green communities around the world.
The need for safe sources of renewable energy has sent scientists underground to tap the natural heat produced by the Earth. Geothermal Energy: Using Earths Furnace describes the three different ways electricity is produced from geothermal energy. Young readers will discover how this clean, safe energy is currently being used in twenty countries including the United States, the largest producer of geothermal energy.
The oldest and most important source of power for our planet is the Sun. This amazing new book explains why solar power is becoming a very real replacement for our current energy sources. Detailed images feature different types of solar collectors, solar thermal plants, and solar cells, and help explain how they are used. Special case studies identify areas where solar power is already in use around the world.
The natural movement of water has long been used to create energy. New forms of hydropower are being researched as alternative ways to create clean renewable energy. This remarkable new book describes how water flow is being used in tidal and wave energy farms, and how the oceans contain enough heat in the surface water to power the world! Case studies highlight the potential advantages and disadvantages of pursuing these different kinds of power.
Harnessing energy from water provides clean, available power that does not release harmful chemicals or carbons into the air. This interesting book explains how hydro turbines, transformers, and power lines work to bring light to the world and gives tips on how to conserve electricity and become more environmentally conscious.
Natural gas, oil, and coal are finite resources, and their use contributes to deadly smog and global warming. The Future of Fossil Fuels follows the world's dependence on these resources and shows how people are working to reduce their useand even make them more environmentally friendly!