environmental
background
bin
bottle
business
can
clean
concept
conservation
container
disposal
dump
eco
ecological
ecology
energy
environment
factory
flat
garbage
glass
global
green
horizontal
industry
landfill
management
manager
metal
nature
organic
paper
people
person
plastic
pollution
protection
recycle
recycling
reuse
rubbish
save
sign
sorting
symbol
trash
waste
waste management
worker
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