The Blue Revolution
The population of the world is increasing rapidly.
By 2020,there could be 7.5billion people on earth.
Will there be enough food for all these people,or will we have a food shortage?
Some scientists think fish farming could solve this problem.
However,other scientists worry that fish farming could cause serious environmental
Fish farming is not a new thing.
There were fush farms in China 3,000years ago.
Today,about one-third of the fish we eat comes from fish.
Popular kinds of plant-eating fish are carp, tilapia,and catfish.
Unfortunately,many fish farms are starting to raise meat-eating fish.
A popular type of meat-eating fish is salmon.
These meat-eating fish live on processed food made from wild fish.
However it takes up to 5 tons of wild fish to produce just 1 ton of
The supply of wild fish is already decreasing.
Eventually,many types of wild fish could become extinct.What will
we do then?
Critics of fish farming also say that farm-raised fish is unhealthy for
They say the fish contains dangerous chemicals.
They also criticize fish farming because it pollutes the water.
Another criticism is that farm-raised fish can spread diseases to wild
Some people say that the farming methods being used now won't
produce enough fish anyway.
Instead of putting fish farms should be moved far out into the ocean.
Several countries are already experimenting with deep-ocean farms.
In the future,fish farms might be large cages that move across the
Like most things,there is both a good and a bad side to fish farming.
Fish farming may help to feed millions of people.
At the same time,however,fish farming may damage the environment.
- 優喬柔❤Lv 51 decade agoFavorite Answer
Not only this kind of question you thought that this is everybody's question I also thought that but asks you not to want too many, because we will think uncertain others will think like this, so long as who will have business's place to manage you to breed fish Now can eat eats time the judgment day said again.
2009-03-13 16:43:48 補充：
Sometimes your I want to do a matter vigorously for this Earth.
But does not have the means that you looked that everybody lived for Qian Gen cannot pass.
2009-03-13 16:44:09 補充：
2009-03-13 16:45:15 補充：
Who will think that must protect the Earth?
2009-03-13 16:45:27 補充：
2009-03-13 16:46:30 補充：
Hawks the fish to make up the fish the person not to kill the fish, then how they can the live.
2009-03-13 16:46:45 補充：
2009-03-13 16:47:20 補充：
Should not be silly, I thought that you have the environmental protection thought very much with the compassion which contributes to the society.
2009-03-13 16:47:42 補充：
2009-03-13 16:48:22 補充：
But who will think that you such will do are to rescue the Earth?
2009-03-13 16:49:01 補充：
Oh, many person between lips have the compassion now, does is actually the heart lacking virtue!!
2009-03-13 16:49:33 補充：
However your article is very good oh ^^
2009-03-20 11:26:43 補充：
2009-03-20 11:26:57 補充：
意思是沒買賣就沒殺害Source(s): 自己 線上翻譯, 自己, 自己, 自己, 自己, 自己, 自己, 自己, 自己, 自己, 自己, 自己