action

background

bag

ball

blue

campaign

care

clean

concept

contamination

damage

danger

day

destruction

dirty

dump

earth

eco

ecology

ecosystem

environment

environmental

garbage

global

globe

green

hand

household

life

litter

nature

package

planet

plastic

pollution

problem

protect

protection

recycle

recycling

restriction

rubbish

save

sphere

symbol

toxic

trash

warming

waste

world