New Scientist: When did humans stamp our footprint on the planet? The idea that we have entered a geological epoch defined by our very presence the Anthropocene is gaining traction, but exactly when did this epoch begin? After the first atom bomb went off? At the start of the industrial revolution in the mid-18th century? Or was it a lot earlier? A new study argues that the Anthropocene began with the rise of farming or even in Neolithic times, when we took to widespread burning of the bush to hunt animals....