How long will earth stay unharmed?

Answer:
You do not say what will harm the earth. The earth is a dynamic planet, if it did not have the processes which cause earthquakes and volcanoes it would be a dead planet.
While earth stays dynamic, constantly active, it is the perfect place for us.
First answer by Speyman1. Last edit by Speyman1. Contributor trust: 11 [recommend contributor recommended]. Question popularity: 2 [recommend question].