National Geographic : 2012 Jul
Submit Answer Quiz: What You Don't Know About Food and Energy Questions:12345678910 How much of world energy goes into producing and providing food? A. 5 percent B. 15 percent C. 30 percent D. 40 percent ANSWER: C. According to the Food and Agriculture Organization of the United Nations, the food sector accounts for 30 percent of all global energy consumption and 22 percent of total greenhouse gas emissions. TEST YOUR ENERGY KNOWLEDGE Featuring amazing facts and energy-saving tips, Energy Quizzes cover subjects that affect us all, such as Food, Cars, Biofuels, and Cities. You find out which nation leads in ethanol production, how drivers can reduce fuel use, how cities like Seoul keep warm through urban planning, and the symbiotic relationship between energy and water. Try your hand at this sample question from the Food and Energy quiz to get started. CALCULATE YOUR ENERGY USE WITH INTERACTIVE FEATURES The Great Energy Challenge provides consumers with an interactive way to measure and trim their carbon footprints with the Personal Energy Meter, and to see what fuels the world's electricity t t output with the Global Electricity Mix. The LightBulb Savings Calculator brings it all home: simply input the number and type of bulbs f you use in your home to see how you can save energy---and how you compare with the average U.S. household. Go to GREATENERGYCHALLENGE.COM to learn more about and contribute to the world's energy solutions.