There is no Planet B. That is precisely why Jehovah will step in and "bring to ruin those ruining the earth", before man destroys it. This earth belongs to HIM and we are here to take care of it. says, "He formed it to be inhabited.
This photo demonstrates how pollution is impacting and destroying the earth. It shows that we as humans are oblivious to this and aren't trying to take action against reducing our ecological footprint.