environmental
background
biotope
bottom
branches
cataclysm
catastrophe
climate
crack
cracked
cracks
death
dehydration
desert
dirt
disaster
dried up lake
drought
dry
dry branch
dry lake
dryness
earth
ecological catastrophe
ecology
environment
global warming
ground
heat
lake
land
land problem
landscape
lifelessness
mud
natural
natural catastrophe
nature
nobody
outdoors
reflection
river
sky
soil
summer
texture
tree
water
waterless
weather