We mustn't cut down trees.
People must save energy sources.
We mustn't throw rubbish around.
We must plant more trees.
People must save our environment.
We mustn't use plastic shopping bags.
Big cars consume too much petrol, so we must use smaller ones.
We must protect the animals.
We must walk or ride our.
We must keep the environment clean.
İYİ DERSLER EN İYİ SEÇERSEN SEVİNİRİM:)
