Question

how to explain this :

How to Control Environmental Degradation?
Now we need to be conscious that environmental degradation can lead to
very harmful results, so every step should be taken to control it from
deteriorating further. First, we should put a check on our insatiable desires and
(check the indiscriminate felling of trees, which causes soil erosion and
ecological imbalances. The removal of forest cover not only influences the
whole weather phenomenon, but also destroys the wildlife, If at all trees are to
be felled, such a task should be performed scientifically. Moreover, new trees
must be planted to avoid the ecological imbalances. ​

Answer 1

See the upper two images there is your answer.

I hope it may help you.