How to protect the environment?, save water, save electricity, recycle, use renewable sources of energy, sort out rubbish, use public transport, environmental problems, global warming, climate change, greenhouse effect, fires, water contamination, deforestation, endangered species, natural disasters, flood, earthquake, tsunami, volcanic eruption, hurricane, avalanche, firest fires/wild fires, natural places, mountains, river, valley, peninsula, island, lake, waterfall.

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