environmental
alert
allowed
arrow
awareness
background
ban
business
caution
circle
concept
danger
do
eco
ecological
ecology
emblem
environment
forbidden
garbage
icon
illustration
industrial
industry
label
law
no
not
pictogram
pollution
prohibit
prohibited
prohibition
public
recyclable
recycle
recycling
refuse
regulation
restricted
restriction
rubbish
rule
safety
sign
symbol
warning
waste
white