4,500,000,000 years ago the planet was formed, aproximately, since then we have had almost 3.8 billion years of simple cells (prokaryotes), 3 billion years of photosynthesis, 2 billion years of complex cells (eukaryotes), 1 billion years o...f multicellular life, 600 million years of simple animals, 570 million years of arthropods (ancestors of insects, arachnids and crustaceans), 550 million years of complex animals, 500 million years of fish and proto-amphibians, 475 million years of land plants, 400 million years of insects and seeds, 360 million years of amphibians, 300 million years of reptiles, 200 million years of mammals, 150 million years of birds, 130 million years of flowers, 65 million years since the non-avian dinosaurs died out, 2.5 million years since the appearance of the genus Homo, 200,000 years since humans started looking like they do today, 25,000 years of Art and early cities, 10,000 years of Agriculture, 5,000 years of writing and the wheel, 2,510 years of City States, 550 years of the printing press and the scientific method, 225 years of the industrial revolution, 130 years of the telephone, electricity and radio, 65 years of the computer...

This is our natural evolution... where we go from here is up to us.