To Change a PlanetTo Change a Planet

"Even though the Earth seems big and unchangeable, humans have altered its climate, creating consequences for all life. By working together, humans can save the planet, and ourselves"--Provided by publisher.
Earth spins through eons of time, and than one day humans arrive and they change the planet--and it continues to change today though not in a good way, but by working together we can save it, and ourselves.