Humans have now become the dominant force controlling the ecosystems of the world, ... And we don't know what the implications are.

What if someone builds a house next to us, and they don't want us burning? ... We can't stop the house from being built, but they want to stop us from burning.

We're piecing it together one brick at a time, ... We need to get more bricks.

We are trying to better understand what the implications are, ... We believe many things society does right now made perfect sense when there were many fewer people consuming much less than they do now.