Definition

The notion of nature can refer to phenomena that are part of the physical universe and everything related to living organisms.

 The nature have beautiful landscapes. Also it have  diversity of flora and fauna. But  especially it is essential for the life of organisms vivios.
http://definicion.de/naturaleza/

Care of nature as ethical necessity

Our relationship with nature is intrinsic. We could not exist without it, without all its resources and elements.Environmental care allow us to delight in natural landscapes and all that nature has created in millions of years of evolution, but also a way to be able to take care of ourselves.We must take care of naturaleza because it have essential elements that we need to live.