Fish.

A fish can ask for nothing more than a smaller bowl. Consistently, fish are upset that the bowl they reside in is too large. They don’t know how to properly make use of the space. The fish know that, as single bachelors, it is unresponsible to have an much space as they do to themselves. It requires more water, more upkeep, more decorations, overall more materials to maintain. The carbon footprint of a fish in a large bowl is much greater than it needs to be. Fish are very conscientious of this. A fish knows when he owns too much land, and they are more than willing to give it up, the logistics just prove too difficult to downsize often. Fish are commendable creatures that really want to make a difference by reducing their carbon footprint and living a simpler, less obtrusive life.