abstract
arid
background
bare
bleak
canyon
clay
cleaving
climate change
crackled
dead
desert
detail
dirt
dirtied
dirty
drought
dry
dryness
dust
earth
ecology
environment
environmental issue
geology
global warming
ground
heat
hot
humidity
infertile
land
mud
nature
old
pattern
scorched
summer
sun
surface
terrain
texture
textured
toilet
tree branch
up high
wall