I find the subject of environmental engineering very interesting. Do you know anything about it?
I do!  Environmental engineering is the branch of engineering concerned with the application of scientific and engineering principles for protection of human populations
That is fascinating! What ways does it protect human populations?
They protect us from radiation for one.  applied science and technology that addresses the issues of energy preservation\
Is it solar radiation? Does it involve nuclear energy?
Sometime it does but Furthermore, it is concerned with finding plausible solutions in the field of public healt