abstract
arid
background
crack
dehydration
desert
detail
diet
disposable
draught
drink
dry
ecology
empty
energy
environment
food
global
gulp
health
healthy
heat
homeopathic
isolated
lake
land
marsh
nature
parched
pattern
resources
sand
shortage
soda
spa
spring
summer
surface
tap
texture
thirst
warming
wasteland
water
wet
wilderness