환경이 · 환경을
environment, surroundings
Example
환경을 보호하기 위해서 쓰레기를 줄여요.
I reduce my trash to protect the environment.
Word parts
환 surround+경 boundary
Literally 'surrounding boundaries' — your surroundings.
Good to know
A very common collocation is 환경 보호 'environmental protection'.
Related words