Does life help keep the world hospitable?

Humanity has raced past four of the boundaries keeping it hospitable to life, and we're inching close to the remaining five, an Earth resilience strategist has found.
In a paper published in Science in January 2015, Johan Rockström argues that we've already screwed up with regards to climate change, extinction of species, addition of phosphorus and nitrogen to the world's ecosystems and deforestation.

All of them are man made