environmental
background
basket
bin
cable
can
clean
color
colorful
connect
connection
container
contour
drip
drop
ecology
electric
electricity
energy
environment
faucet
flat
flow
handle
icon
illustration
isolated
leak
line
linear
outline
plastic
pollution
power
recycle
recycling
reuse
rubbish
save
set
sign
socket
symbol
trash
waste
water