Translation of "환경이" in English

왜냐하면 환경이 급격하게 유독해졌거든요.

because the environment was increasingly toxic.

모든 환경이 절망적이었지만 그분은 살아남았습니다.

His circumstances were bleak, but he survived.

하지만 이런 환경이 흔치 않다는 건

What I didn't know growing up

체력을 잃어선 안 되는 환경이 있다면 바로 정글입니다

If there's ever an environment where you need your strength, it's the jungle.