blue
chemical
contaminated
contamination
crude
crude oil
damage
dangerous
dead
death
dirtied
dirty
disaster
disposal
dump
ecological
ecology
environment
fluid
fuel
indus
industrial
industry
lagoon
landscape
liquid
nature
oil
pile
poison
polluted
pollution
salt
sea
sewage
sky
sludge
source
sources
survive
tour tourism
tourism
toxic
transportation
travel
urban
view
waste
wasteland
water