The Pacific island nation of Nauru used to be a beautiful place. Now it is an ecological disaster area. Nauru's heartbreaking story could have one good consequence — other countries might learn from its mistakes.

    For thousands of years, Polynesian people lived the remote island of Nauru, far from western civilization. The first European to arrive was John Fearn in 1798. He was the British captain of the Hunter, a whaling ship. He called the island Pleasant Island.

    However, because it was very remote, Nauru had little communication with Europeans at first. The whaling ships and other traders began to visit, bringing guns and alcohol. These elements destroyed the social balance of the twelve family groups on the island. A ten-year civil war started, which reduced the population from 1,400 to 900.

    Nauru's real troubles began in 1899 when a British mining company discovered phosphate (磷酸盐)on the island. In fact, it found that the island of Nauru was nearly all phosphate, which a very important fertilizer for farming. The company began mining the phosphate.

    A phosphate mine is not a hole in the ground; it is a strip mine. When a company strip-mines, it removes the top layer of soil. Then it takes away the material it wants. Strip mining totally destroys the land. Gradually, the lovely island of Nauru started to look like the moon.

    In 1968, Nauru became one of the richest countries in the world. Every year the government received millions and millions of dollars for its phosphate.

    Unfortunately, the leaders invested the money unwisely and lost millions of dollars. In addition, they used millions more dollars for personal expenses. Soon people realized that they had a terrible problem — their phosphate was running out. Ninety percent of their island was destroyed and they had nothing. By 2000, Nauru was financially ruined. Experts say that it would take approximately $433,600,000 and more than 20 years to repair the island. This will probably never happen.

    Even nowadays there is a lot of misunderstanding between nationalities. Let's have a look at what the following people have to say.

    Maria Conti: I find the English people insincere, cold and unfriendly. They keep saying "Thank you", "I'm sorry" even when they don't know each other. They are even polite to their own relatives. Except for helping you find your way in the streets, they aren't really friendly and never invite you to their houses.

    Giannis Stinios: On the contrary I found them broad-minded and friendly.I was invited to people's houses and they all showed great interest in my ideas,Greek life and people.In England I learned that it was possible to be warm, friendly and polite at the same time.

    Judy Brown: I lived in both Italy and Greece for a few years.At first there were a few misunderstandings between my foreign friends and myself. For example, I once gave a Greek friend a present for her birthday party.I was rather sorry that she did not unwrap it immediately. What's more, she even didn't thank me until I asked her if she liked it.I've learned from different experiences that a lot of foreigners find our attitude to what we English people call politeness rather insincere. They feel that politeness isn't necessary between friends.

    The loud continuous noise of the cars or the sound of a plane can force its way into the deepest forest, yet it's not only humans that ere bothered by the noise.

    Bioacoustician Bernie Krause has been studying the effect of noise pollution on wildlife, and has come across some interesting behaviors, especially among animals that communicate by vocalization（发声）, like humans. Birds use sound to communicate, but in noisy places, these animals have to shout over the natural noise to be heard.

    Krause mentions a study of nightingales to clarify what he means. The birds responded to traffic noise by singing louder and louder until they actually went beyond noise pollution standards in the city. To belt out (sing loudly) their songs, they increased their lung pressure fivefold, but scientists state that this is not dangerous for the birds themselves.

    Studies show that sudden noise can cause certain birds to leave their nests, exposing the young to their enemies. One study also showed that songbirds that nested close to busy motorways were much less productive than those that nested farther away. Mammals（哺乳动物）too are affected. A recent study showed that nursing caribou responded to plane noise by not producing enough milk to feed their young.

    In some cases noise pollution can actually help some animals while harming others. Toads（蟾蜍）and frogs are known to vocalize in synchrony（同步；同步方式）so that no predator (their enemies) can zero in on them. Krause found that when planes flew overhead and disturbed the toad's song, they lost their synchronicity, and it took them 45 minutes to get it back again. That gave their natural enemies plenty of time to find and catch individual toads by sound.

    According to Kruse, “Not only will noise pollution bother wildlife, but it won't help our lives either.”

    During my elementary school years, I used to compare my mom with my best friend Tiffany's mom.

    Tiffany's mom always gave her lots of money to buy the most fashionable clothes and favorite food. Her mom allowed her to do anything she liked. I really admired Tiffany. My mom didn't give me much pocket money and she always told me that I should behave myself. I was annoyed with her.

Whenever I didn't get what I wanted, I would complain to my mom, Tiffany's mom would give her that! I wish she were my mom. Every time, my mom would calmly say "Poor Tiffany". I couldn't understand her. "She shouldn't be feeling sorry for Tiffany!" I thought. "She should be feeling sorry for me."

One day, I couldn't help saying to Mom, "Poor Tiffany? Lucky Tiffany! She gets everything she wants! Why do you feel sorry for her?" I burst into tears.

My mom sat down next to me and said softly. "Yes, I do feel sorry for her. I have been teaching you a lesson that she will never be taught."

I looked up at her. "What are you talking about?"

Mom said with care, "One day she will really want something. Maybe she'll find out that she can't have it. Her mother won't always be around to give her money, and what's more, money can't buy everything."

She continued, "I have taught you valuable lessons by not giving you everything you want. You'll know how to look for bargains and save money, but she won't. You'll understand that you need to work hard to get the things that you want but she won't. When Tiffany is a grown woman, she'll wake up one day and she will be wishing that she had a mom like the one you've got. Life lessons are more important than modern clothes and delicious food."

    It took some time, but I eventually understood my mom's words. Now I am a happy and successful woman.

    Andy rode slowly on his way to school, day-dreaming about the fishing trip that his father had promised him. He was so busy dreaming about all the fish he would catch that he was unaware of everything else around him.

    He rode along until a strange sound drew him to the present. He came to a stop and looked up to the sky. What he saw frightened him. A huge group of bees filled the sky like dark cloud and seemed to be heading angrily towards him.

    With no time to waste Andy sped off in the opposite direction, riding quickly without knowing how to escape the group. With a rapidly beating heart and his legs pumping quickly, he sped down the rough road. As the bees came closer, his fear increased. Andy knew that he was sensitive(敏感的) to bee stings (蜇). Last time a sting had put him in hospital—and that was only one bee sting! He had been forced to stay in bed for two whole days. Suddenly, his father's words came to him. "When you are in a dangerous situation, don't panic. Stay calm, use your brain and think your ways out of it."

    On a nearby hill, he could see smoke waving slowly from the chimney(烟囱) of the Nelson family home. "Bees don't like smoke," he thought. "They couldn't get into the house." Andy raced towards the Nelson house, but the bees were gaining around. Andy knew he could not reach the house in time. He guessed that the bees would catch up with him soon.

    Suddenly, out of the corner of his eyes, he saw a small pond used by Mr. Nelson to water his vegetable garden. Off his bike and into the cool water he jumped, disappearing below the surface and away from the bees. After holding his breath for as long as he could, Andy came up for air and noticed the bees have gone. Pulling himself out of the water, he walked up the hill and rang the doorbell. Mr. Nelson took him inside and rang his mother.

    "You'll really need that fishing break to help you recover(恢复)," laughed his mother. "Thank goodness you didn't panic!" But Andy did not hear her. He was dreaming once again of the fish he would catch tomorrow.

A researching team analyzed data from long-running studies conducted in Brazil and South Africa to assess whether children exposed to early adversities (逆境), such as extreme poverty, low birth weight, and pre-term birth, could reach their full learning potential by experiencing responsive caregiving and opportunities to learn in their home. They found that early life adversities matter throughout life. Teenagers who had been exposed to multiple adversities early in life had lower IQ scores, were more likely to have difficulties adjusting socially and psychologically, and achieved a lower physical height compared to teenagers exposed to fewer adversities. They also found that being raised in a nurturing (培育) environment could significantly counteract the negative effect of early adversities on IQ and help children achieve their full potential of intelligence.

Globally, more than 250 million children younger than 5 years are at risk of not reaching their developmental potential because of adversities that co-occur early in life and worsen with age. In the US, almost one in five children are raised in poverty and 15 percent do not complete high school. Exposing these children to a nurturing environment, whether at home or in daycare or pre-school settings, can lead to cognitive (认知的) benefits that last into teenage and beyond.

Parents should provide nurturing environments, which include interacting with young children in a positive way such as reading children's books from the library, singing songs together, and playing games with numbers and letters. Children who join in age-matched housework like picking up toys and clearing the table gain skills and feel good about helping. Get children involved in friendly activities as much as possible rather than park them in front of a screen. Children love to learn and in a nurturing environment, they can grow into teenagers and adults with the abilities to care for themselves, their families, and their communities.