VOA慢速英语 日本培育出转基因猴子

　　Donald Cooper is Executive Secretary of the Stockholm Convention. He says the substances are especially dangerous because they travel through the air and stay in the atmosphere, soil and water. It takes many years for them to weaken. Mister Cooper says the substances build up in the cells of plants, animals and human beings.

　　VOICE ONE:

　　One of the newly banned chemicals is perflurooctane sulfonic acid, or PFOS. It is found in electrical parts and fire-fighting products. Another banned chemical is the pesticide Lindane. It is used in some areas as a treatment for head lice.

　　The governments at the U.N. conference also reached a decision on another pesticide, DDT. They said they want DDT banned, but recognize that some countries use it to protect people from diseases like malaria. The governments said they will consider a plan that supports safer, effective choices to DDT. And, they hope to ban its use by two thousand ten.

　　(MUSIC)

　　VOICE TWO:

　　Chronic obstructive pulmonary disease, also known as C.O.P.D., blocks airflow through the lungs. It makes breathing difficult. The leading cause is cigarette smoking. America's National Institutes of Health says the damage to the lungs cannot be repaired and there is no cure.

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