Why are new buildings made with windows that don't open or close?

Question

Doesn't any one like fresh air anymore? Why if there is a fire?

Answer 1

which is it; they don't open or they don't close??

Answer 2

climate control

Answer 3

Due to central heating and cooling concerns, widows that are left open add a burden to the HAC system.   Windows that open also create a security threat.  There are windows that are double  paned to reduce heat transfer across the glass, so you do have a view that is more energy efficient.  /windows that don't open are cheaper to build.

Answer 4

to just let the sun in and something else i just forget i learned it in school

Answer 5

safety issues.  It keeps people from falling or jumping out of them.   Seriously.   Has nothing to do with fresh air and in a fire it deprives the fire of oxygen.