What are the threats to our environment?
The green effect Damage to the ozone layer Destruction of the rain forests Pollution---Bad habits of… Acid rain Global warming
Damage to the ozone layer
What will the result be?
Dangerous ultraviolet radiation(紫外线) from the sun will reach us, causing cancer and blindness, and destroying the food chain in the oceans.
How harmful is it? It causes erosion of the soil and flooding, as well
as destroying the people and animals who make the forests their home. Weather patterns will change and the earth will become warmer, melting the polar ice caps, raising sea levels and flooding coastal cities.
The Greenhouse Effect
1. There is atmosphere around the earth acting like the glass,letting sunlight in while keeping much of the warmth from getting out. T 2. The atmosphere is changing T because we are polluting it with chemicals. 3. The poisonous gases are mainly F made up of Oxygen (O2) and carbon dioxide (CO2) . F 4. The greenhouse effect may cause the level of the sea to drop.