The one to save our world- the earth

Since long ago when God left the earth, it has been beset by many woes and calamities threatening the existence and survival of earth inhabitants. Wars, famine, diseases, etc are all treating to wipe life off the planet earth.
Can the planet be salvaged from these threats? will humans ever live in harmony with nature? Will mankind ever love one another? Who will save our world from going the way of the dinosaurs? How will the earth be salvaged?
Here is what is written.