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Вы можете ознакомиться и скачать Project work on the topic: “Environmental issue” . Презентация содержит 9 слайдов. Презентации для любого класса можно скачать бесплатно. Если материал и наш сайт презентаций Вам понравились – поделитесь им с друзьями с помощью социальных кнопок и добавьте в закладки в своем браузере.

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Project work on the topic: “Environmental issue”

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Introduction The poisoning of the world's land, air, and water is the fastest-spreading disease of civilization. It probably produces fewer headlines than wars, earthquakes and floods, but it is potentially one of history's greatest dangers to human life on earth. If present trends continue for the next several decades, our planet will become uninhabitable.

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Types Major current environmental issues may include climate change, pollution, environmental degradation, and resource depletion etc. The conservation movement lobbies for protection of endangered species and protection of any ecologically valuable natural areas.

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Pollutions Pollution can take the form of chemical substances or energy, such as noise, heat or light.

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Climate change Climate change is caused by factors such as biotic processes, variations in solar radiation received by Earth, plate tectonics, and volcanic eruptions.

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Greenhouse effect Is created by carbon dioxide emissions, released by industrial facilities and a constantly increasing number of cars. Thus it is of vital importance that the world should start cutting down the release of gases that contribute to the greenhouse effect.

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Deforestation Deforestation is ongoing and is shaping climate and geography. Is a contributor to global warming, and is often cited as one of the major causes of the enhanced greenhouse effect.

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Conclusion People are beginning to realize that environmental problems are not somebody else's. They join and support various international organizations and green parties. If governments wake up to what is happening- perhaps we'll be able to avoid the disaster that threatens the natural world and all of us with it.