watch - less TV, switch - the lights off, save - electricity/water, travel - by train , use - public transport, go - on foot (пешком), recycle - your waste (отходы) , reuse - paper/bottles/clothes, buy food - without packaging (без упаковки) , air/water/land - pollution (загрязнение), global - warming, climate - change , natural - disasters (катастрофы),

Environmental problems

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