презентация по теме проблемы экологии
Вложение | Размер |
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chernov_aleksandr.odp | 2.15 МБ |
Слайд 1
Environmental problems problems of the woodsСлайд 2
The most important functions of the wood. 1 . Clears air 2 . Creates habitats of animals 3 . Detains a precipitation 4 . Fixes sand
Слайд 3
Main problems: 1 . Deforestation. 2 . Wood destruction by poachers. 3 . Desertification of lands. 4 . Destruction of animals. and others
Слайд 5
Every minute on Earth the woods on 26 hectares are cut down. It is equal to the area of 37 football fields. Scientists counted that if the tendency of data of the woods will proceed, to the middle of the XXI century about 25% of all animal species and plants of a planet will disappear! The ecological organizations and citizens in many countries of the world actively make a protest in protection of the woods. Against many large logging companies using barbarous methods of preparation of wood, actions were organized from the public.
Слайд 8
The end.
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