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Look after this planet, it’s the only one we have презентация
Содержание
- 1. Look after this planet, it’s the only one we have
- 2. Earth is dearer than gold
- 3. We’ve found next problems to discuss: Air
- 4. Rubbish dump A place where rubbish is
- 5. Gas mask Gas mask :
- 6. Acid rain Acid rain rainfall
- 7. Greenhouse effect Greenhouse effect the trapping
- 8. Ozone layer Ozone layer a
- 9. Urban sprawl Urban sprawl the
- 10. Cycle path Cycle path Special
- 11. Can you say, what environmental effects have
- 12. Water: Marine animals
- 13. The global warming the ice cover the
- 14. Water pollution Rivers collect rainwater Plants absorb
- 15. .
Earth is dearer than gold
Слайд 3We’ve found next problems to discuss:
Air pollution
Water pollution
Urban sprawl
Acid rain
The Greenhouse
Effect
The Ozone layer
The Ozone layer
Слайд 4Rubbish dump
A place where rubbish is left.
The rubbish dump on
the outskirts of town is an eyesore.
Слайд 5Gas mask
Gas mask :
a protective mask used to cover a
person's face as a defense against poisonous gas.
Слайд 6Acid rain
Acid rain
rainfall made sufficiently acidic by atmospheric pollution that
it causes environmental harm, typically to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which contain sulfur and nitrogen oxides, which combine with atmospheric water to form acids.
Слайд 7Greenhouse effect
Greenhouse effect
the trapping of the sun's warmth in a planet's
lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
Слайд 8Ozone layer
Ozone layer
a layer in the earth's stratosphere at an
altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.
Слайд 11Can you say, what environmental effects have people?
Trees
clean the air
produce oxygen
People
destroy forest
clean the air
produce oxygen
People
destroy forest
Слайд 12Water:
Marine animals
absorb the sun’s heat and
transfer it to the atmosthere
People
- pollute water
- kill marine animals
People
- pollute water
- kill marine animals
Слайд 13The global warming
the ice cover the sea in the Arctic and
Antarctic
The Earth can get the global warming
The Earth can get the global warming
Слайд 14Water pollution
Rivers collect rainwater
Plants absorb and clean water
People pollute water with
pesticides and chemicals
