“Because We Care”

About Us

Sometimes we define our purpose in life and other times the purpose defines us. Climate Change is an existential threat. It will define who we are as a people and what our future portends. At the Carbon Free Zone, we value the environment and, just as importantly, you! Our purpose is restoring nature’s balance and improving the quality of life for all Earth’s inhabitants. We are committed to sustainable practices, developing climate mitigating products and services, guiding the next generation of sustainable leaders, and becoming the industry standard for customer service. While the challenges associated with climate change are daunting, if we incorporate the principles of sustainability into our daily culture none of those challenges are insurmountable. It is our institutional belief that sustainability is life and life is you! The Carbon Free Zone is just that: sustainability, life, and you!

seal in water
Our Mission:
Sustaining The Planet & You
Our Vision:
Restore balance to the planet, humanity of the people, and prosperity for the future by incorporating the principles of sustainability into our personal and professional conduct
We S.E.E. You
S – Social
E – Environmental
E – Economic
“A Majority-Minority Owned Business”

Our Principal Partners

Michael Miller, President
Sustainability Engineer, U.S. Air Force Veteran
Mike has 28 years of experience in the environmental industry with over 16 years in the field of Sustainability. He is founder of Sustainable SOILutions, a compost retail business, and an unrelenting advocate for the principles of sustainability. Mike has a BSc Microbiology and MScEnvironmental Engineering with a professional certification of Sustainability from University of Florida.
Rebecca (Becca) Selkirk, CFO
Certified ICX Broker
Becca began her career managing radiology departments of various hospitals in Indiana and Ohio. However, having grown up on a dairy farm, she returned to those roots when she and her husband purchased a farm and fertilizer company manufacturing organic products. Becca has a seat on the International Carbon Exchange (ICX), which aligns with her sustainable farming experience. She is also responsible for the corporate financial affairs of our sister company, Modern Energy Design. “Live Simply, so Others May Simply Live”

William (Bill) Selkirk, CPA AEE
All designs in engineering. With a M.S. in Engineering (Thermodynamics). Bill and his team will design the best ROI options for your energy needs.

Katrina Bertoldi-Cain, Vice President
Sustainability Consultant, Energy Broker
Katrina is Vice President of Sustainable SOILutions, a compost retail business. She is an Energy Broker and has over 20 years of experience as owner of an HVAC company. Katrina’s expertise lies in customer service management (CSM) and indoor air quality. Her passion is creating productive work environments that promote Diversity, Equity, and Inclusion (DEI). Katrina studied Business Administration at University of Phoenix.
Mike Bartley, Secretary
Senior Executive
Mike is President of our sister company, Modern Energy Design. With over 30 years in the chemical and steel business, he has developed a reputation of resolving industrial-level energy and operational challenges for commercial clients nationally. Mike is an alumnus of Ohio State University.