Water Cup Model
Do we influence our environment? If so how much? Measurement or metrics are always involved in science. To know the "number" tells you how much. Without this you are dealing with soft fluff where every opinion is equal and there is no correct quantifiable answer.
Water Cup Environmental Model by Karl Randall is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Water Cup Environmental Model excel by Karl Randall is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.