deforestation —> cutting down the trees
water pollution —> throwing dangerous things into the water
ozone layer —> a natural shield that protects us from the sun’s radiations
air pollution —> contaminating the air with dangerous substances
endangered species —> animals in danger of disappearing
dropping litter —> leaving rubbish everywhere
recycling —> reusing rubbish to make new products
saving energy —> protecting energy sources
coroana? <3 sper ca te-am ajutat