Originally Posted By Gershon
Sometimes I wonder if one of the ecological functions of humans is to move from place to place clearing underbrush to make fires.

I think probably so, yes. But, with the advent of large scale farming, cheap energy (oil), and the resulting industrial revolution and population explosion, it's hard to know just where our place is and how to manage the environment. There's a happy medium between turning everything into a mowed lawn and completely denying access.