abandoned
chemical
contaminated
contamination
copper
cyanide
dangerous
death
destroyed
destruction
disaster
earth
ecological
ecology
ecosystem
environment
environmental
extraction
global
gold
green
greenpeace
hazardous
industrial
industry
lake
landscape
leak
leaking
lethal
liquid
metal
mine
mud
nature
oil
petrochemical
petroleum
pit
poison
pollutant
polluting
pollution
pond
residual
toxic
waste
water
yellow