Yet there are serious reservations over the environmental costs of a barrage or lagoon in the estuary - and they have split the environmentalist movement.

The seriousness of the ecological problems confronting the country gave rise in the 1970s to an environmentalist movement.

He wrote several articles and books that adumbrated the emerging environmentalist movement.

This theory has gained much support in the environmentalist movement.

The environmentalist movement's reaction to this nomination was mixed.

Environmentalists fear that a spill would be devastating because of the difficulties in dispersing a slick in such extreme conditions.

Other environmentalists fear that lifting hunting bans on the grizzlies could endanger their recovery.

But environmentalists fear that the quarry could threaten the stability of the cliffs and turn the coastline into a 'lunar landscape'.

Environmentalists fear, not without reason, that too much even-handedness will breed complacency.

But environmentalists fear the technique will pollute aquifers used for drinking water, particularly if seismic activity causes the toxic fluids to leak.