In the past 30 years, Mardel has taught painting courses and workshops, won local and national awards, and had numerous exhibitions of her work. More than 100 major corporations, as well as Veteran’s Administration Medical Centers, children’s hospitals, and at least 400 long-term care facilities have purchased her art. Many galleries and designers nationwide have sold and represented her work. The Franklin Museum in Philadelphia and the Cleveland Zoo own her paintings. And Mardel has created the logo art of frogs with cell phones for the weekly Boil The Frog Slowly radio show about health risks from wireless radiation and more. Mardel and her husband have both become electrosensitive. They recently had to leave their home of 28 years and move to a safer location to escape nearby cell towers and wireless utility meters that were making them sick.