To make environmental protection an election issue, Duncan and Jack Layton flew over the tar sands area noting environmentally damaging practices.

The secretary general, Kofi Annan, called it a "despicable and damaging practice" and hinted at punishing those responsible.

There is also an urgent need to abolish the deeply damaging and hugely costly practice of detention.

There has been some debate as to whether to leave the stands or attempt to harvest the mostly undamaged timber, which is increasingly recognised as a damaging practice.

Grains, People and Topsoil Some damaging practices are already taking their toll.

It is a politically damaging practice that Reagan Administration and rebel officials have repeatedly pledged to stop.

The campaigning group lobby the Government and big business to stop environmentally damaging practices.

Rebel commanders said recruiting was just keeping up with losses, even with the help of forced recruitment, a politically damaging practice that contra leaders say must be stopped.

But Dr. Holden said enough studies had found harmful outcomes to suggest that spanking was "a damaging practice in certain cases under certain situations."

The reasons were illegal and highly damaging practices.