英语演讲PPT-global warming
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Decrease the use of cars.
Follow the environmental policy: Reduce, Reuse, Recycle. ……
3.What changes does it cause
Sea Level Rising:
intense storms,
来自百度文库
beach erosion,
land loss, salty sea water intruding into underground water
3.What changes does it cause
Greenhouse Gases:
carbon dioxide,
methane（甲烷）,
nitrous oxide（氧化亚氮）, ……
2.What Lead to Global Warming?
Explosive Population Growth
3.What changes does it cause
4.What should we do
Global warming is the greatest environmental challenge in the 21st century.
----Albert Gore
4.What should we do
Cut-down on our demand for electricity.
Global Warming
1.What is global warming?
The increase in the average temperature of the earth‘s atmosphere and oceans in recent decades.
2.What Lead to Global Warming?
Ice Melting:
ice cap,
glacier, permafrost
3.What changes does it cause
Increased Hurricanes and Other Disastrous Weather
3.What changes does it cause
Cyclone