Is water scarcity really a problem?
Debate Rounds (3)
-Coping with water scarcity. Challenge of the twenty-first century. UN-Water, FAO, 2007
According to some scientist"s water has become scare due to natural and human causes. They predict that in the future we will have water wars that is countries fighting each other for water sources. Do we really think this is possible? Let us find out.
We all know about the water/hydrological cycle. Water is evaporated from oceans, lakes, seas and then condenses in the atmosphere to form clouds then when the clouds bump into each other they give us rain or snow and then the cycle starts again. Now let's add vegetation into the scene. We have added plants like flowers and trees, we have added some animals but no humans. Now the changes that would occur in the water cycle are minor. The plants and animals would use some water but it will be returned back to the environment through transpiration from the plants and sweat and feces from animals.
Now let us add humans to the scene. Now the humans over here are the cavemen the old humans the ones who are evolving. They used water for drinking and for cooking. If humans, animals and plants use water and don"t give it out through feces or transpiration then by now water would have really been scarce. What goes in always comes out. The water levels were always the same but not all the water was clean.
Now comes the fun part. We add US to the scene. The cave men are gone some animals and plants are extinct. We humans have built buildings in areas where there used to be green forests once. Our buildings are almost 600-800 meters in height. Now let us see what impact this has on the water cycle. Water is evaporated from the ocean, seas, lakes, rivers, etc. and is evapotranspirated from plants. Well since the number of plants has decreased there is a decrease in evapotranspiration. Most of the water is evaporated from the water bodies. After the water is evaporated it condenses to form clouds and then precipitates in the form of rain or snow. Global warming affects the rain, it may rain a lot or a little, it might not rain at all, and it might rain forever in an area and so on.
The hydrological cycle is a continuous cycle; we just made some changes in it. Our need for survival and constant development has just created an alter in the hydrological cycle which make it seem like the water is actually decreasing. We can change what we think by just changing the way we use water. We should take small steps and use water wisely so that we don"t have to suffer water wars in the future.
Therefore water scarcity is not a problem.
The instigator's arguments are counter intuitive almost appearing as if he/she debates with himself/herself. Would you please formulate your responses and reference's as indicated on your position (pro)?
Ravia.Saini forfeited this round.
Ravia.Saini forfeited this round.
1 votes has been placed for this debate.
Vote Placed by Lexus 1 year ago
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