black

chemical

contaminated

contamination

cruel

damage

danger

dangerous

death

destruction

diesel

dirt

dirty

disaster

dump

ecology

ecosystem

environment

environmental

fuel

garbage

gas

gasoline

green

industrial

industry

lake

liquid

material

nature

oil

panorama

petroleum

pipeline

poison

pollute

polluted

pollution

pond

problem

scene

sewage

spill

spillage

surface

toxic

trash

waste

water

wet