Firestorm now became something of an environmental crusader, formed from Raymond, Arkadin, and a Soviet clone of the previous Firestorm, but with a new mind.

In the 20th century, outdoor adventurers, naturalists and environmental crusaders were lured into the wilderness.

Mr. Cole was perhaps best known as an environmental crusader.

Captain Pasko became something of an environmental crusader.

Vermonters may be more hospitable to environmental crusaders, but Mr. Miner concedes he will miss the often tendentious Catskills, where some local officials decline even to speak his name.

"I feel like Erin Brockovich," he said, referring to the environmental crusader whose story was turned into a film.

But environmental crusaders can be thoroughly wrongheaded, just like passionate defenders of corporate interests.

I'm the son of the late Abbie Hoffman: 60's radical, 70's fugitive and 80's environmental crusader.

She's also an environmental crusader and a Hollywood heavy-hitter when it comes to raising money for liberal causes.

A towering figure in Kenya, Maathai was renowned as a fearless social activist and an environmental crusader.