Worried, concerned, concious, aware

TO BE WORRIED      ABOUT                      I am worried about Environment.

TO BE CONCERNED ABOUT                      I am concerned about Education

TO BE CONCIOUS OF                                I am concious of how important Education is

TO BE AWARE     OF                                 I am aware of how important Education is.

PEOPLE's BEHAVIOUR                              The behaviour of People (with aphostrophe).

HUMAN     BEHAVIOUR                              The behaviour of Human Being (without aphostrophe)

REDUCE REUSE RECYCLE