20100427 zwolle comenius_geo
Transcript of 20100427 zwolle comenius_geo
We will die.Cause we are thirsty.And we will not be healthy.And then only the fish and other animals who live in salt water will survive.
We don’t have to waste too much water.
Cause when we just do the dishes we waste water.When we take a shower we waste very much clean (fresh) water.When we wash the car we waste water.
What can we do about this.
When you have a washing machine its better for water.Take a shower for 5 minutes.Go to a carwash, they take care of water
If we catch up the rain water we can clean it.Then we can use it for all kind of things.After cleaning it is normal fresh water.
Temperature rises
Melting glaciers
Monsoon rain
Cities become flooded
Climate refugees
Land area become flooded
Dikes
Floating houses
Walls
Evacuation
Dikes
Floating houses
SOLUTIONS TO DESERTIFICATION
DROUGHTAforestation.
Terracing the land.
Cover crops.
Re-plant trees.
Planting grasses.
DEFORESTATION
OVERCULTIVATION
Crop rotation can help maintain the productivity of the soil.
POOR IRRIGATIONMake sure the water is not evaporated
on the surface.
Salt traps prevent salts from reaching the surface of the soil.
It is important that young trees are fenced off to prevent the grazing by animals.
OVERGRAZING