أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
the idea behind the green house is to protect the black hole which is destroying by pollution so reduce oil consumption and choose a better location where sun light is of high intensity
it depends on the location what is the latitude.
i suggest use the following ideas :-
1- led lighting.
2- solar heaters.
3- solar energy stations..
4-use source segregation for all wastes.
