Sports can help you keep fit and close to nature. However, whether you are on the mountains, in the waves, or on the grassland, you should realize that sport you choose might have great influence on the environment.

Some sports are resource—hungry. Golf(高尔夫), as you may know, eats up not only large areas of countryside, but also lots of water. Besides, huge amounts of energy are used to keep its courses (球场) in good condition. This causes major environmental changes. For example, in the dry places of Portugal and Spain, golf is often held responsible for (为…承担责任) serious water shortage(短缺) in some local areas.

There are many environment—friendly sports. Power walking is one of them that you could take up today. You don’t need any special equipment except a good pair of shoes, and you don’t have to worry about resources and your purse. Simple and free, power walking can also help you stay healthy. If you walk regularly, it will be good for your heart. Experts say that 20 minutes of power walking daily can make you feel less anxious, sleep well and keep thin.

Whatever sport you take up, you can make it greener by using environment—friendly equipment and buying products(产品) made from recycled materials. But the final goal should be “green gyms.” They are better replacements(替代) for traditional health clubs and modern sports centers. Members of green gyms(体育，体育馆) play sports outdoors, in the countryside or other open spaces. There is no special requirement for you to start your membership(会员身份). And best of all, it’s free.

Today, people want to keep healthy through sports and exercise. But some of them have some wrong (错误的) ideas about it.

“A plate of chicken is a good meal before games because it has much energy (能量).”

In fact, the best meal before games should have carbohydrates (碳水化合物). Foods like potatoes, bread, bananas are rich in them, but meat, such as chicken and beef, is not.

“________”

Morning is a good time to exercise, but it may not be good for you. If afternoon or evening is OK for you and you enjoy the feeling of getting healthier, you can choose any time to exercise. So there is no fixed time for you to exercise.

“If you drink water when you exercise, you’ll feel tired.”

You must have some water during breaks (休息期间) when you exercise. And after exercising, you must have enough water. If you don’t drink enough water, then you may feel tired.

“Exercising every day is quite important.”

Wrong. Too much exercise is bad for your health. You need to give your body a day of rest.