4 Words Total

Terms of primary and secondary importance are marked with ☆☆ and ☆ respectively and may include usage and example sentences. Terms without stars are for additional study.

  • じぞくかのうなはってん

    持続可能な発展

    sustainable development

  • じゅんかんがたしゃかい

    循環型社会

    the Environment and the Sound Material-Cycle Society

  • ちきゅうおんだんか

    地球温暖化

    global warming

  • ちきゅうさみっと

    地球サミット

    Earth Summit （1992）