She designs places that are safer for the people who live there as well as the environment.

She is LEED certified.
( "Leadership in Energy and Environmental Design (LEED) rating and certification system was established as the benchmark for the design, construction and operation of high performance green buildings. LEED AP (Accredited Professional) certification elevates the certificate holder's authority on green building by expanding their applicable knowledge base with documented proof from the US Green Building Council:
http://www.usgbc.org/DisplayPage.aspx?CategoryID=19 " )

Most of her clients are homeowners, offices, restaurants, etc.

She did not need a lot of money to start the business.

She offers a free newsletter on sustainability.