Our Approach
Cool Green Media is a network of professionals who provide a full range of public relations, digital media, content marketing and other services, with a focus on climate, sustainability, electric mobility and the transition to zero carbon.
Our Work
Cool Green Media works with organizations and businesses working in clean energy and mobility, climate tech, electrification, and the clean energy economy.
The Team

Cassandra Sweet
Integrated PR and Marketing; Content Development; Public Affairs; Research, Writing, Editing
Cassandra is an award-winning writer, editor and PR professional with deep experience in clean energy, climate technology and sustainability.
Following a 15-year journalism career covering energy and climate policy at The Wall Street Journal and other publications, Cassandra now works with clean energy and climate tech companies, investors and organizations to help them level up their messaging, increase brand awareness and reach their business and enterprise goals.
Cassandra has an MA in Journalism and Strategic Communication from the University of Missouri School of Journalism, and a BA in History and Art from Washington University in St. Louis.
For a list of current and past clients, drop me a line

Bob Smolenski
Full Stack Digital App Developer and Designer
Bob is a full-stack developer focused on integrating video and other digital media assets to create immersive, interactive platforms for both B2B and B2C that are easy and fun to use.
Bob works at SPAN, the leading home energy company, and has deep experience creating visually appealing and easy-to-navigate interactive mobile apps for consumers, teams, students and other audiences.
After a decade working at United Airlines in Aircraft Maintenance, and traveling around the world, Bob tapped his creative side to build his career in digital media development and design.
Bob has a BS in Aviation Management from Southern Illinois University and has FAA licenses as an aircraft mechanic and private aircraft pilot.
Current and past clients include:
Span.io – eLearning and AI developer. Smart Panel for single-family homes. Electrifying the future!
ETR.org – a California-based organization that is focused on improving health and increasing opportunities for youth, families and communities.
dfusioninc.com – an organization that builds upon science-based behavior change models and learning theories to facilitate behavior change for health, prevention, and adherence.
socio.com – a leading developer of behavioral and social science-based materials for health researchers, professionals, and educators.
CauseStories.com – a firm that creates, executes and measures campaigns for a variety of causes.
Bob is the creator of :
Open Field Echo Sounder – an audio game app optimized for visually impaired
NihongoGames.com – Hiragana and Math P2P game apps. Educational games for elementary school Japanese language students.
FingerFencer game app – POV fencing game app. Compete against a friend on a shared WiFi connection.