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Energy Star is a program started in 1992 as a joint venture between the U.S. Environmental Protection Agency and the U.S. Department of Energy. It is a voluntary program for manufacturers to label their products with an estimated amount of energy the product is going to consume and an approximate cost of the energy to run it.
One of the areas that most families spend a large portion of their money on is groceries. When you first start frugal shopping you may be tempted to simply eat ramen noodles, but that is only sustainable if you are a college student. Most people and families like more, even require more, variety in their diets to get proper nutrient.
Sustainability put simply is 'staying power', or how long something can go on without outside influence. Is the level of mankind's consumption of oil sustainable? Probably not, many experts believe we have already used half of the easily available oil. A more sustainable source of energy...