background

bag

bin

bottle

care

city

clean

coast

danger

dirt

dirty

disposal

dump

eco

ecological

ecology

environment

environmental

garbage

global

grass

green

heap

industrial

industry

junk

landfill

litter

nature

ocean

outdoor

outdoors

park

people

picking

plastic

pollution

problem

recycle

recycling

river

rubbish

sea

trash

unhygienic

volunteering

waste

water

white

woman