bottle

concepts

conservation

consumerism

contamination

country

countryside

damage

destruction

dirty

dump

earth

eco

ecologic

ecological

ecology

ecosystem

empty

energy

environment

environmental

field

garbage

global

grass

green

ground

ill

infection

land

nature

outdoor

pet

planet

plastic

polluted

pollution

problem

recipe

recycled

recycling

reduction

reuse

rubbish

save

trash

used

vegetation

waste

world