Modern technology allows us to seriously meddle with nature within a generation or two, whereas always prior it might've taken a few tens. Over time though, we'

Modern technology allows us to seriously meddle with nature within a generation or two, whereas always prior it might've taken a few tens. Over time though, we've had thousands of generations to make our mark. I fundamentally believe that a lot of our desertified or at least somewhat dessicated Earth - around the mediterranean, sahara and middle east at least - is significantly due to our historical industry.