Susan is the daughter of the famous environmental scientist Clark. But the woman has become an environmentalist 【小题1】 her own.

In 1992, the 【小题2】 UN Earth Summit (峰会) was held in Rio de Janeiro. Thousands of people from around the world 【小题3】 for it to talk about the Earth’s tomorrow. Twelve-year-old Susan and three of her friends 【小题4】 a group. They raised money to travel to Rio to attend the summit.

At the summit, Susan said that the state of the environment worried her a lot. “You don’t know how to fix the holes in our ozone layer (臭氧层) . You don’t know how to bring back forests that once grew where there is now 【小题5】. If you don’t know how to fix the Earth, please stop 【小题6】 it!” The six-minute speech silenced all the people and made 【小题7】 fall into deep thinking.

After that speech, Susan began to lead “two lives.” On the typical days, she was a schoolchild. But during her vacations, she spoke internationally about the environment.

Now, nearly 30 years has passed since Susan made her Rio speech. 【小题8】 many of the world’s environmental problems have only become worse, Susan does agree that some things are different now. More and more people give voice like Susan because they have realized the 【小题9】 of the environment.

Thirty years ago, I was fighting for my 【小题10】. Now, I am fighting for the future of my sons, “says Susan, now a mother of two, who has kept calling people’s attention to climate change.

My father used to catch fish in the river near my village. But there are no more fish for him 【小题1】 now because the river is too 【小题2】 . People are throwing   【小题3】 into it and even the bottom of the river is 【小题4】 of rubbish. He 【小题5】 to newspapers and TV stations and asks them to help. He even calls on people to stop using 【小题6】 bags and 【小题7】 the rubbish into the bins. He asks people 【小题8】 the bus and ride a bike instead of   【小题9】 . He thinks everyone should play a part in   【小题10】 our village.

How to be green

We all need a healthy environment, but we produce waste every day, and it is harmful to our environment. Repeat these 【小题1】 words daily: reduce, reuse and recycle.

Reduce means “use less”. Do not waste things. It saves money and 【小题2】 less pollution. Do not order more food than you can finish. Turn 【小题3】 the lights when you do not need them. Before you buy something new, think 【小题4】 it is really necessary because maybe the old one is just as good!

Reuse means “use again”. Use things for as 【小题5】 as possible. Look after them so that they will last. Repair them if possible. Do not throw them away and buy new ones. Do not use paper cups or paper bags. It is better to use china cups and 【小题6】 bags because they can be used many times.

Recycle means “change things into something else to be reused”. Although it takes energy to change things 【小题7】 something else, it is better than throwing things away or burning them. We throw 【小题8】 of rubbish away each year, and we have to make a change. Divide your rubbish into plastic, glass, paper and rubber. 【小题9】 a recycling policy for the whole community. Buy products such as recycled paper to help save trees.

We cannot hope for 【小题10】 change, but let’s take these simple steps today so that we will save the world for our grandsons and granddaughters tomorrow.