For years, people have used water power to provide electricity. This study recaps that history and describes exciting new techniques.
Many little-known facts about electric power - and the grid that controls much of it - are explained in this fascinating book.
Recent advances in harnessing energy from the wind, sun, and tides are explored. People are encouraged to seek resources beyond fossil fuels.
We currently rely on nonrenewable sources, such as oil, for most of our fuel. Scientists are working on new fuels from crops and other materials to help ease future dependence on nonrenewable resources.
Did you know that gasoline is made from petroleum that is extracted from deep inside Earth? And that the government of Saudi Arabia owns the world's largest petroleum corporation? Read this book to find out more about how petroleum is turned into gasoline and how that gasoline ends up in the tank of cars around the world.
Readers will find out more about the history of jeans worldwide, and how jeans are made, from the cotton picked from the fields to the processing plant and onto jean and clothing stores worldwide, making jeans truly a Global Product.
What is a watershed? Why are watersheds important? What is it like to live where there is no clean, safe water supply? Read this book to find out more about the importance of watersheds and how you can help in the fight to keep Earth's freshwater sources clean and safe.
What are women's rights? Don't all women have the same rights as men? What are the consequences of gender inequality? Find out more about the legal and cultural practices that foster inequality and start thinking about what you think should be done to confront the issue.
The graceful, little key deer lives in the Florida Keys. Readers will learn more about these deer, how they became endangered, and what conservation groups are doing to help them make a comeback.
Gray whales live in the Pacific Ocean and can grow to be 50 feet (15 meters) long. Readers will discover how whale hunters brought these huge mammals to near extinction and how people are working together to help these giants of the sea fight for survival.
The mountain gorillas of Central Africa are a critically endangered species because of poaching, hunting, habitat loss, exposure to human diseases, and war. Readers will find out more about how people are working together to save these animals through habitat conservation and education.
At one time, the howling of gray wolves was a common sound throughout North America. Readers will learn more about these pack animals and what brought them to the edge of extinction. They will also find out more about the steps that have been taken to reintroduce gray wolves to the territories where they once roamed freely.
With fascinating information and facts, alongside beautiful pictures, students will learn about the Karner Blue Butterfly, its status on the endangered species list, why it has become endangered, and how it is planning on staging a comeback on the road to recovery.
The whooping crane is a unique bird found only in North America and known for its whooping call great height for a bird. Readers will learn about the whooping crane's fight for survival as hunters killed them for their beautiful feathers and humans drained their wetland habitats to build houses.
The small golden lion tamarin is known for its brownish-red mane, long tail, and territorial nature. Readers will learn about these creatures and how destruction of their coastal forest habitat almost led to their extinction. Find out how zoos and conservationists have collaborated to save the golden lion tamarin.
An elephant seal has a thick layer of blubber that keeps it from freezing in cold northern waters. This protective layer of blubber was prized by hunters who killed so many elephant seals that there were fewer than 100 left alive. Discover how government leaders and others took action to save these sea mammals from extinction.
Tiger Woods persistence, winning attitude, and passion for golf have helped make him one of the top golfers of all time. Readers will learn how Tiger uses his fame and fortune to help young people reach their full potential.
Roberto Clemente was the first Hispanic American elected to the Baseball Hall of Fame. Readers will learn how he used his courage and determination during the off-season to help those living in poverty in Latin America.
From the impoverished inner-city streets of Milwaukee to her own nationally syndicated talk show in Chicago, Oprah has persevered to become one of the most recognized personalities in the world. Readers will learn how her courage, kindness, and perseverance have led her to found Oprah's Angel Network, a charity whose mission is to help the underprivileged of the world.
Yo-Yo Ma is a world-class cellist who has won numerous Grammy awards and is beloved by audiences worldwide. Readers will discover how hard work and talent helped Ma rise to the top and how he uses his gifts to promote unity by bringing together musicians from around the world in his Silk Road Project.
Many people are afraid of bats, but like every other living thing they play in important role in nature. Readers will learn about cave dwelling gray bats, how they became endangered, and how government leaders and scientists have teamed up to save these furry, flying creatures.
The American bison was hunted to near extinction in the 1800s as settlers moved west across what is now the United States. Readers will learn about this animal that is a symbol of the American West and find out what steps were taken to help increase the American bison population.
Readers are introduced the habitat and lifestyle of the American Alligator and learn how the American Alligator is making a comeback from near extinction. Find out how people in the southeastern United States are learning to live with these amazing creatures.
Madam C. J. Walker's business skills, motivation, and determination helped her to develop a hair product and become the first African American woman millionaire. Readers will learn how those same skills also helped her reach out and help people living in poverty and speak out against injustice.
Readers will be introduced to Andrew Carnegie and his rise from impoverished immigrant to one of the world's wealthiest industrialists. Learn how this self-made master of the American steel industry put his leadership, determination, and wealth to good use by building libraries, schools, and universities that continue to benefit people today.