презентация по английскому языку. защита проекта по Экологии. 6 класс углубленное изучение английского языка
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population_growth.ppt | 608 КБ |
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POPULATION GROWTHСлайд 2
INTRODUCTION The term "population growth" refers to how the number of individuals in a population increases (or decreses) with time.
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Earth's population is increasing by 10 000 an hour. The UN forecast is 9.3 billion by 2050.
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Overpopulation influences the climate change. More people require more energy. This energy is mostly produced by burning carbon-emitting fossil fuels, what causes a “green-house” effect. DANGEROUS CLIMATE CHANGE
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THIRST Each year, as the world population grows, demand for fresh water increases. Now about 3 billion people suffer from lack of water and poor sanitation.
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WILD LIFE VANISHING Human overpopulation is critical for wild life, as people in overpopulated areas invade the habitats and with the rise of poverty start to hunt illegally.
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As people need energy and food they cut forests for timber and wood, or burn them down to convert to farmland. DEFORESTATION
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WARS Limited resources, especially energy, make people fight for them.
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CONCLUSION Human overpopulation is one of the greatest dangers, that the Earth faces today.
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The presentation is made by: Veronica Shirobokova & Irina Anisimova
Лупленый бочок
Голубая лягушка
Злая мать и добрая тётя
Интересные факты о мультфильме "Холодное сердце"
Где спят снеговики?