According to my opinion, one can not be divorced from nature that can only exist, based on the natural development and natural transformation. Why? Because
First, in agriculture, they use too many chemicals make degraded soils lead to shrinking arable land
Secondly, plant waste discharged as a solid, liquid, gas ... makes the air and contaminated water sources leading to the underwater creatures depleted
Third, deforestation, hunting the animals also caused an imbalance ecosystems
So besides humans are also active to improve naturally as planting trees, cleaning the surroundings, ... in order to limit the negative influences that nature offers ...
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