4. Phosphorus and nitrogen cycle Excessive carbon in the atmosphere due to human activity debris daiaksaidabare many know but few, who knows, the effects of nitrogen. Dasakaumsamma any human element called nitrogen use and abuse has both. Each year, more than any human tansabhanda 12 million naita «ejanalai into the atmosphere it has to make fertilizer. The nitrogen directly opened and used by people, the river and the ocean, go to plant. Due to its direct effect on the lives of birds mahasagarabhitra jalacaraharuko stay the same, including the construction of the oxygen in the ocean misieko terrestrial nitrogen due to the negative effects. 5. Decreasing the water, increasing the thirst The end does not go, we have experienced two decades of life afflict one knows. Do scientists is that the water in the near future will be that kind of thing, which would be expensive gold and dross. Who will be the subject of water wars. Now the world's inadequate access to clean water is 1 third man. And it is falling. Scientists say that, in 2050, two-thirds of people in the world will lose the right to clean water. Population growth and excessive industrialization and animal industry, partly because of the low water. 6. Ocean esidiphikesana

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