I've also talked to radical environmentalists and the antigrowth crowd.

In all those pristine places where the radical environmentalists claim to want to protect nature?

President Obama needs to quit pandering to the radical environmentalists.

More recently, in the 1970's, radical environmentalists dubbed the north Eco-topia.

Officials of the association initially speculated that radical environmentalists might be involved in the bombing.

For some radical environmentalists, the terrorism label is offensive.

He believes that radical environmentalists are exaggerating the dangers.

"Back to the Pleistocene" is one of the radical environmentalists' slogans.

At Princeton University, he read books by radical environmentalists and stayed up late discussing how to save the earth.

He's also a radical environmentalist fighting to save the planet.