6) Given the factors I have just outlined, I can only say that....

7) Unless there is a common realization of ..., it is very likely that....

8) There is no denying that serious attention must be called to the problem of....

9) It is essential that effective measures should be taken to prevent the situation.

10) It is fundamental that effective actions should be taken to control the tendency.

11) It is suggested that great efforts should be made to control the growth of....

12) It is hoped that great efforts should be focused on finding (developing / improving)....

13) It remains to be seen whether ..., but the prospect is not quite encouraging.

14) It remains unknown whether ..., but the outlook is quite rosy.

15) Anyhow, wider education should be given to the possible consequences of....

16) Anyway, more publicity should be given to the potential effects of....

17) To reverse the trend is not a light task, and it requires a different state of mind towards....

18) To control the tendency is not an easy job, and it involves a different state of attitude towards....

19) For the reasons presented above, I strongly commit to the notion that....

20) To put all into a nutshell, I....