Imagine a world that was getting sick from its inhabitants, Where too much emissions have been let out. Everyone knows about global warming and how its a natural occurring phenomenon, but humans made it worse by putting to much carbon which warms our planet a bit to much. "Generation Green" gives tips, facts, and an action plan. In the first chapter it was comparing the different atmospheres "Venus has a massive blanket trapping its heat, contributing to its hellishly hot 900 degree temperature. Mars, at the other end of the spectrum, has a very thin blanket, making it unbearably cold -220 degrees. Earth is the planet so far in all of the known universes with this fragile range of temperature". (Sivertsen 5) the author is showing how unique our planet is by comparing.