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.