太陽光は環境に優しいエネルギーだ

N3 太陽 taiyou sun N4 光 hikari light, brightness N3 環境 kankyou environment, surroundings, circumstances N4 優しい yasashii kind, gentle N3 エネルギー enerugii energy, power, vitality

N3 太 tai, ta / futo.i, futo.ru plump, thick, big around N3 陽 you / hi sunshine, yang principle, positive N3 光 kou / hika.ru, hikari ray, light, rayon N1 環 kan / wa ring, circle, link N2 境 kyou, kei / sakai boundary, border, region N3 優 yuu, u / yasa.shii, sugu.reru, masa.ru tenderness, excel, surpass

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information