Some environmentalists questioned whether that bar had been set high enough.

But many environmentalists, diplomats and scientists at the conference questioned the value of Japan's research.

But scientists, environmentalists and a lawyer for Montrose have questioned the action.

Other environmentalists agree that removal is a worthy goal, but still question the methods.

Now environmentalists question whether the herd should continue to be cared for.

Many scientists and environmentalists question whether the approach would serve any ecosystem well enough to be built into Federal law.

Politicians, environmentalists and residents are questioning whether the proposed construction, scheduled to begin in 1994, will yield a net benefit.

Some environmentalists and scientists have questioned whether this juggling act is possible.

Many environmentalists also question whether it is a mistake to put too much of the blame on overgrazing.

Some environmentalists have questioned the Federal deal, because it omits a piece of the ranch along the river corridor.