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In the modern world, human activities usually involve energy consumption, which is the world’s number one contributor of greenhouse gases. Some studies found two-thirds of such consumption comes from burning fossil fuels for generating energy. To protect our environment and make our Earth more sustainable, we must all take responsibility to limit our electricity consumption at home. For instance, turn off lights when you’re not in a room or if there’s natural sunlight. You may also switch to use LED bulbs to achieve optimum lighting at a more affordable cost. Let's go green and save energy together.
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a gas that causes the greenhouse effect, especially carbon dioxide
fuels, such as gas, coal, and oil, that were formed underground from plant and animal remains millions of years ago
able to continue over a period of time
best; most likely to bring success or advantage