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阅读理解As children reach kindergarten and early grade-school age, they continue to become increasingly more aware of the wider world beyond home, school and their neighborhood. If you haven’t already done so, this can be an excellent time to teach your child about the environment, and how you can work together to go green as a family. If you’ve already introduced some eco-friendly habits in your home, here are some ways your growing child can contribute more to the greening of his world and beyond. My 7-year-old son discovered a magazine cover on the table that featured a cover line about polar bears being endangered because of global warming. I decided to be straight with him—I said yes, there is a danger to polar bears and other wildlife because of pollution. But I told him that we can all do something to go green and help make a difference, and perhaps help the polar bears and all living things on our planet. My grandmothers were immigrants(移民)who lived through wars in South Korea. They used to constantly remind me to turn off the lights, and even not to use too much toilet paper. As it turns out, these were great lessons. Have your child get into the habit of turning off lights and electronic equipment when he’s not using them. A nice bonus(意外收获): reducing electricity use can help cut down your bills. A grade-schooler is old enough to understand that water comes from lakes and pools. Explain that wasting it can affect everyone who depends on that water. Wasting water also means wasting energy. A tap that runs for five minutes is equal to letting a 60-watt bulb run for 14 hours, according to the Environmental Protection Agency. | 
