YOU SAID:
I am a person in this world so keep this earth clean and healthy
INTO JAPANESE
私はこの世界の人なので、この地球を清潔で健康に保ちます
BACK INTO ENGLISH
I'm from this world, so I keep this earth clean and healthy.
INTO JAPANESE
私はこの世界の出身なので、この地球を清潔で健康に保っています。
BACK INTO ENGLISH
I'm from this world, so I keep this earth clean and healthy.
That didn't even make that much sense in English.