Items | Sentences
| Play Audio | ごみ | rubbish | noun | |
| Play Audio | 入れる いれる | to put in | verb | |
| No Audio | かていごみ | household waste | noun | |
| Play Audio | 環境 かんきょう | environment | noun | |
| Play Audio | 守る まもる | protect, observe | verb | |
| Play Audio | 減らす へらす | decrease, reduce | verb | |
| No Audio | 汚染 おせん | pollution | noun | |
| Play Audio | 水質汚染 すいしつおせん | water pollution | noun | |
| Play Audio | 空気汚染 くうきおせん | air pollution | noun | |
| No Audio | 温室効果ガス おんしつ こうか ガス | greenhouse gases | noun |
