adult

bag

bottle

bottles

cans

clean

dirt

dirty

discarded

dump

eco

ecological

ecology

environmental

fast

forest

garbage

garden

green

incognito

junk

landscape

life

litter

littering

nature

neglectfulperson

old

package

park

person

picnic

pile

plastic

pollute

polluting

pollution

problem

problems

product

recycle

recycling

refuse

rubbish

tourist

trash

waste

wood