かんきょう, environment, まもります, protect, しぜん, nature, じしん, earthquake, こうがい, pollution, ちきゅうおんだんか, global warming, せつやくします, to save/conserve, ゴミひろい, litter picking, きたない, dirty, くさい, smelly, すてます, to throw away, ひろいます, to pick up, でんき, electricity, せきゆ, oil, せきたん, coal, こうじょう, factory

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