Our 7.3 billion numbers wreak havoc on the rest of the natural world as we cause extinction rates of other creatures at over 100 daily and hundreds of thousands by mid century. (businessnews.com.au)
Human existence is continuous with the rest of the natural world. (religion-online.org)
This means that very intensive efforts are made to understand man according to forms and methods applicable in man's knowledge of the rest of the natural world. (religion-online.org)