Niche market involving environmental engineering

What would you say is a niche market involving environmental engineering?
posted by Thomas, Sydney on July 21, 2014

Answer by Dr. Eugenia Kalnay

The environmental engineering niche market should be huge, because the impacts of the humans on the environment, including climate change are huge, and increasing dangerously. More efficient and cleaner use of water, soil, energy, etc, are such niches.

Perhaps you could include a link to our paper
http://www.sciencedirect.com/science/article/pii/S0921800914000615

Thanks, 

Eugenia