They tend to be self-annointed "activists" with mediocre minds and morality, backed by the enormous wealth of various "environmentalist charities". The effect is to arm the schoolyard bullies with enormous power.
Some of the meanest, cruelest, most sadistic, most disgusting people I have ever know were in the "environmentalist" movement.
I still recycle. My wife's still a vegetarian. But I have adopted this rule of thumb: If the "environmentalists" are for it, oppose it. If they are against it, support it.
And Teresa Kerry has a big part in funding them.
I am curious as to what you found that the enviromentalist were trying to do.