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Roving vigilantes, fear-mongering politicians, hysterical pundits, and the looming shadow of a 700-mile-long fence: the U.S.-Mexico border is one of the most complex and dynamic areas on the planet today--but too often its complexities are viewed through the myopic lens of illegal immigration, ignoring a multitude of other critical issues that include health, the environment, drug trafficking, free trade, and post-9/11 security. This book provides...
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As early as the nineteenth century, a number of scientists recognized that fossil fuels like coal and oil are in limited supply and that burning them to produce energy cannot be sustained forever. In the decades that followed, new generations of researchers steadily perfected alternative, renewable energy sources intended to eventually replace fossil fuels. Today, those sustainable sources including solar, wind, and geothermal are rapidly changing...
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Energy makes things work. From coal and wood to gas and oil, planet Earth has a wealth of natural resources packed full of energy. The way that energy is produced and the amount we use have a huge impact upon the planet. If people continue to use fuels at the current rate, the Earth will run out of its own resources. The effect on the environment will be devastating. This way of living is called unsustainable. This fascinating book uses case studies...
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