abstract
badge
bio
brand
care
clean
earth
eco
ecofriendly
ecological
ecologically
ecosystem
element
emblem
environment
environmentally
fresh
friendly
global
globe
graphics
green
health
icon
isolated
label
leaf
leaves
mark
natural
nature
organic
peace
planet
plant
pollution
protect
protection
recycle
recycled
recycling
refresh
reuse
sign
simple
symbol
world