Questions & Answers about הסביבה כאן נקייה.
- הסביבה = the environment / the surroundings
- כאן = here
- נקייה = clean (feminine singular)
So the sentence is literally the environment here clean, which in natural English becomes The environment here is clean.
The prefix ה־ is the Hebrew definite article, meaning the.
- סביבה = environment / surroundings
- הסביבה = the environment / the surroundings
Hebrew usually attaches the directly to the beginning of the noun instead of writing it as a separate word.