Nowadays there is a growing concern over ...

目前人们开始越来越关注……

Recently the problem of ... has been brought into focus.

目前，……的问题成为了人们关注的.焦点。

Nowadays, a heated debated/discussion about ... is under way in China .some people believe that ..., whereas others argue that...

目前，在中国……引起了人们的热烈讨论。一些人认为……，另一些人认为……。

Recently the issue of ... has aroused great concern among ...

最近，……的问题引起了人们的极大关注。