How to protect the environment?, save electricity, water, Reduce, Reuse, Recycle, use renewable sources of energy, sort out rubbish, use public transport, fine factories for pollution, use biomass to produce energy, raise public awarness about endangered species, environmental problems, global warming, climate change, greenhouse effect, air pollution, deforestation, endangered species, destruction of the ozone layer, water contamination, population sprawl.

Environment (sorting)

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