Monday, October 29, 2012

CLIMATE CHANGE- Lan

Evidence:
Our earth is heated by the sun rays that our sun sends to us. Some of these rays get through our atmosphere while others do not. The ones that do escape the earth’s atmosphere are called infrared rays. The heat rays that don’t escape the atmosphere are caught by greenhouse gases. The greenhouse gases warm the earth to the temperature we have now. Without this ‘cycle’ earth that we know today would be about 30C colder than it is now.

Impacts:
1.       Sea levels
2.       Floods
3.       Food
4.       Animals Dying
5.       Health
Sea levels expand when they absorb heat. That is how they rise. Flooding has become something very dangerous and they happen a lot more than they used to. Floods are bad because they cause houses to destroy which makes people lose their homes. Crops or food would be hard to harvest due to the change of temperature. In order for crops to grow properly they need a constant temperature. Animals need food which cannot be provided because it cannot grow due to the change of temperature. Difference in climate also affects people’s health. Their bodies aren’t used to such change.

Adaptations
Some ways we can help are by turning off our lights, not using electronic devices so often and recycling. All these ways could help our earth.

Policies
1.       Kyoto Treaty
2.       Bonn Conference
3.       G8 Summit, Toyako, Japan
We were searching for a way to reduce global warming in 1997. They also discussed how to reduce heat-trapping gasses to respond to the impacts that climate change has on us. 




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