Nearly 70 years ago, a Soviet geochemistVladimir Vernadsky, wrote that global society guided by science, would soften the human environmental impact, and the Earth would become a "noosphere" — a planet of the mind, "life's domain ruled by reason".Today, Humans have realised the environmental damage of the last century. With the aid of satellites and supercomputers, they now have a real chance to balance economic development with the environment beginning with sustaining the Earths ecological systems.
We've come through a period of finally understanding the nature and effect of humanity's transformation of the Earth," said William Clark, a biologist at Harvard University. "Having realised it, can we become clever enough to be able to maintain the rates of progress?" he asked. "I think we can.
Some scientists say people can't understand the living planet well enough to know how to manage it. But this problem attracts world leaders and thousands of other participants to summits where they discuss ways of sustainable development.
missions of carbon dioxide, whether from an Ohio power plant or a Bangkok taxicab, contribute to global warming. Shoppers in Tokyo seeking inexpensive picture frames send people deep into Indonesian forests.
7 Experts conclude that the same inventiveness that accelerated human development can be used to soften human impact.
1. They got into the car.
2. He stood at his father.
3. They had coffee with a bun for breakfast.
4. They decided to meet at five o’clock at the station.
5. He took a book from the table, looked at it, then put it back .
<span>6. They looked at each other. </span>
7. I go to college.
8. He isn’t at home now. He is at school.
9. This book was written by Perumov.
10. The school year begins in September and is over in May.
11. We decided to meet at 5 o’clock at the bank.
12. This story is about a famous painter.
13. He is a funny little guy with brown hair.
14. He is keen on animals.
15. She is fond of reading thrillers.
16. Sunday is the only day off in our school.
17. The book is on the table.
18. I don’t want to go to the party. I’m going to work on Sunday.
19. We decided to meet at the airport.
20. He stood at the door and didn’t let me go away.
21. He works in/at a hospital. He looks after children who are ill.
<span>22. When my friend came into the room, there was nobody in .
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1. Is she helping?
2. Are you listening?
3. Is he visiting his grandparents?
1. which
2. where
3. who
4. where
5. whose
6. who
7. whose
8. where
1. he
2. it
3. her
4. they
5. them
1) <span>a box of cereal</span>
2) <span>a loaf of bread</span>
3) <span>a carton of soda</span>
4) a <span>glass <span>of orange juice</span></span>
<span><span>5) a bowl of sugar</span></span>
<span><span>6) a <span>bottle of water</span></span></span>