0_Apprentice
I am very interested in the field of environmental engineering. Do you know anything about it?
1_Wizard
Yeah not to toot any horns but I know a bit about it.  Environmental engineering at its core is the practice of engineering various things of relationship to the environment such as to protect humans from environmental issues for example.
0_Apprentice
Wow, that is a very informed answer. In what ways does environmental engineering protect humans?