An adjective describing persons or things relating to any or all of the following: vegetarianism; herbs; all-natural and organic products (such as food, skin and hair care products, etc.); recycling; protecting and preserving the environment; natural medicine; etc. People that are earthy-crunchy are sometimes called tree-huggers or hippies.
She loves to go to the health food store, where she buys all that earthy-crunchy stuff.
With that jewelry made of hemp and beads, I bet she's earthy-crunchy.