Environmental problems have become one of the most urgent problems of modern society. More and more people suffer from air and water pollution. Nature also suffers from land and nuclear pollution. The reasons for such environmental problems are numerous.
Among them increasing number of cars in the streets, factory waste, millions of cut down trees, destroyed habitats of animals, contaminated rivers and seas. All these problems mainly arise due to human careless activities and gradually destroy our planet. If we look closely, we’ll notice that not only one city is under danger, but the majority of world population.
Fortunately, there are many ways to suspend these problems. If everybody starts caring about the planet we live on, many environmental problems can be solved. For example, if we start recycling paper and cardboard, we can save lots of trees. If we start using public transport more than private cars, we can have less air pollution. Local governments can also help to prevent some problems, if they forbid logging companies to destroy the forests, or stop factories from polluting water.
The most important thing is, of course, to start acting immediately, otherwise we might have to face many global disasters.
1.They had been travelling all night and were exhausted.
2.We had booked our flight weeks before we left.
3.They had been waiting for hours before their flight was announced.
4.Lionel had alreadyy been to Nepal twice before he got married.
5.How long had you been booking or Jess before you found him?
6.The guide had orginised everything well in advance, so our trip went smooyhly.
7.They had been looking forward to this holiday for years before they finally managed to do it.
8.It had been snowing for hours and no planes were able to take off.
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