Is the concept of human impacts past its use-by date?

Abstract

Scientific research now shows that humans are pervasive in earth ecosystems, and have been so for many thousands of years. So it may seem strange to argue against a concept that has been so hard won and is now empirically incontrovertible. What is starting to seem stranger is that, to paraphrase anthropologist Tim Ingold, the best way we have to describe our role in the world is to take ourselves out of it. As human influence on the Earth and its processes increases, we face the profound paradox that most of our intellectual weapons in the environmental area - from prehistoric fire debates to projections of climate change - have maintained a separation of humans and nature. This is an argume..