When the Earth Is No Longer Beautiful

When the earth is no longer beautiful, where should you and I go? When the Earth isn't pretty anymore, the air quality drops and even the sun looks a little dimmer. When humanity cannot survive, we unite, establish a coalition government, and think about how to save it. When the environment could not be changed, the government tried every means and chose the extremely crazy "Leaving Home Plan" - building a spaceship, leaving the earth and entering deep space. When the plan to leave home begins...