altruistic

background

banks

bottle

can

cleaning

conservation

conserve

contaminated

contamination

danger

dirt

dirty

disaster

disposal

dump

ecological

ecology

environment

environmental

floating

garbage

indonesia

industry

landfill

litter

looks

package

plastic

pollute

polluted

pollution

polyethylene

protect

protection

recycle

recycling

refuse

reservoir

river

rock

rubbish

sewage

smell

sustainable

throw

tidying

toxic

trash

unhygienic

urban

waste