1) With the rapid improvement in.../growing awareness of..., more and more.../sth....
(e.g. With the considerable improvement in building industry, more and more structures are being erected to set the people´s minds at ease.)
2) Recently, sth./the problem of...has been brought to popular attention/ has become the focus of public concern. A
(e.g. Recently, the problem of unemployment has been brought to such popularattention that governments at all levels place it on the agenda as the first matter.)
3) One of the universal issues we are faced with/that cause increasing concern is that...
(e.g. One of the universal issues that draw (cause) growing concern is whether it is wise of man to have invented the automobile.)
4) In the past few years, there has been a boom/sharp growth/decline in.. .