It is essential that quick necessary actions /steps /measures should be taken to deal with the phenomenon/ to cope with the problem.
It is high time we took proper steps actions to the terrible situation.
5.因果分析型议论文
特点：描述某种原因或现象以揭示其必然后果，或披露结果以追溯其各种原因。
写作常用套语
There are several reasons for…
There are many factors that account for /contribute to /responsible for …,but the following are the typical ones.
There are a number of serious effects on…Perhaps the most potential consequence is …
Taking into account all the relevant factors, /Judging from all the evidence offered, we may come to the conclusion that...
Therefore, it can be inferred that…
Accordingly, I recommend that…
