A good topic for environmental and transportation engineering is comparing the affects of transportation engineering on the environment. You can then discuss how environmental engineering can mitigate those problems.

James H. Banks has written:

'Introduction to Transportation Engineering' -- subject(s): Transportation engineering

The seven fields are structural engineering, geotechnical engineering, transportation engineering, hydraulics, materials engineering, environmental engineering and construction.

What's the question?

Anthony E. Schwaller has written:

'Total automotive technology' -- subject(s): Automobiles, Maintenance and repair, Design and construction

'Transportation, energy, and power technology' -- subject(s): Transportation engineering, Power resources, Mechanical engineering

'Teacher's guide for Transportation, energy, and power technology' -- subject(s): Study and teaching, Transportation engineering, Power resources, Mechanical engineering