Environmental versus Natural Resources, a worthy distinction?

Maybe not a "worthy" distinction, but one that has come up more than once when dealing in environmental economics.
"Environmental economics was once distinct from resource economics. Natural resource economics as a subfield began when the main concern of researchers was the optimal commercial exploitation of natural resource stocks. But resource managers and policy-makers eventually began to pay attention to the broader importance of natural resources (e.g. values of fish and trees beyond just their commercial exploitation;, externalities associated with mining). It is now difficult to distinguish "environmental" and "natural resource" economics as separate fields as the two became associated with sustainability."
-Wikipedia

So I work for a department entitled: Resource and Environmental Management. Environmental management refers to the management of interaction by the modern human societies with, and impact upon the environment. While resource managment refers to the management of natural resources such as land, water, soil, plants and animals, with a particular focus on how management affects the quality of life for both present and future generations. This I think is a worthwile distinction. Now about the management part............