environmental
abstract
abstraction
aridity
background
break
chap
chink
clay
cleft
clod
contamination
crack
cranny
crash
crevasse
crevice
crop
desiccation
dirt
drain
drought
dry
earth
fissure
flaw
floor
fracture
gap
gravel
ground
heath
muck
natural
nature
parch
pollution
ruin
slit
soil
split
stack
stone
tarnish
terrain
texture
up
wilderness
wither
wreck