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World-wide, over a billion adults are overweight and 300 million are officially 'obese', more than 3,000 people die every day on the world's roads and global wa

World-wide, over a billion adults are overweight and 300 million are officially 'obese', more than 3,000 people die every day on the world's roads and global wa

Presents an overview of the U.S. energy system, looks at the major elements of the system, including oil, natural gas, coal, nuclear energy, renewable energy, e