air

ash

bag

bin

bonfire

bottle

burn

burning

burnt

city

damage

danger

destruction

dirty

disposal

drain

dump

ecology

environment

environmental

fire

flame

garbage

global

gutter

hazard

heap

heat

hot

incineration

incinerator

industrial

junk

landfill

litter

nature

outdoors

pile

plastic

pollution

recycle

recycling

refuse

roadside

rubbish

safety

smoke

toxic

trash

urban

warming

waste