Another often stated concern regards the environmental impact of higher densities.

The current concern is regarding the build-up of sediment in the lake due to both natural and man-made causes.

This raised concerns in regards to the university's anti-discrimination policy.

A larger concern of the police is regarding the consequences of not acting; therefore, covering their backs.

Other concerns regarded the lack of handicap access, and the past closure of the main entrance to the stop.

The main concern of his instructions regarded the fur trade.

My only concern regards the effect any restructuring could have on sugar cane producers from developing countries.

My third concern is regarding moral hazard: if this money is to be put into a bail-out fund.

The main concerns regard the management of procurement procedures and criteria used for recruiting staff.

One urgent concern regards recruiting quality players to a conference with an uncertain future.