Tighter regulation alone won't save China's environment, or the world's.

Their development has lagged in the city because of high land costs and tight regulations.

At the same time, the exchanges can expect tighter regulation from Washington and pressure to change themselves.

The purpose of tighter regulation is to reduce or control the companies' risks.

What the county needs is tighter regulations for septic systems.

Who knows what the long term effects of tighter financial regulation on the economy will be; growth or recession?

The report recommended a number of steps including tighter regulations for financial institutions.

Tighter regulation in this sector is expected to be introduced by 2009.

He has also led the administration's efforts to beat back proposals by some countries for tighter regulation over the Internet.

And there is no indication where the trend to tighter regulation will end.