The portion of the atmosphere from sea-level to about 4000 meters in which it is possible to breathe without technological assistance. / the biosphere

Ecological philosophy, particularly of the type associated with the deep ecology movement

Of or pertaining to an ecosystem

(botany, of a leaf) Having no ribs or nerves.

An environmentally conscious person whose adherence to green living extends to their romantic and/or sexual life (particularly their choice of partner).

The quality or state of being ecosexual.

plural of ecosexual

One who studies ecosophy.

plural of ecosophy

plural of ecosopher