MILENA TOMASZEWSKA
Empowering communities, championing change—one sustainable step at a time.
Sustainability isn’t just my passion—it’s the driving force behind everything I do. With a BSc in Energy and Environmental Engineering and currently studying for an MSc in Computer Science, I bridge the gap between environmental science and technology—proudly representing women in STEM driving change for a sustainable future. As a Sustainability Officer at Afallen, I have delivered over 90 energy audits for schools across South Wales, providing tailored strategies to reduce carbon emissions, energy use, and costs.
In 2021, during my second year at university and amidst the COVID-19 pandemic, I founded a sustainable cleaning business inspired by my mother’s work as a carer. I wanted to create an organisation where staff felt valued, fairly paid, and empowered. Over time, I partnered with Tree Society to offset our carbon emissions and achieve true Net Zero operations.
Recognising the power of education and dialogue, I launched Circularity Champions, an online platform promoting circular economy solutions. Through this initiative, I host podcasts with sustainability leaders such as Grace Gavigan (Miss Earth Wales 2023) and Rhian Sherrington (founder of Women in Sustainability), and deliver Net Zero workshops, with a portion of proceeds donated to the A-Sisterhood charity. I am also preparing to launch Mel’s Helping Hands CIC, a community initiative that will provide free sustainable cleaning and home support services for disabled individuals, single mothers, and the elderly, with tree planting to ensure Net Zero impact.
Through Miss Earth Wales, I have attended over ten fundraisers and hosted two community events, including a plant pot painting workshop and a curry-making movie night. I aspire to continue inspiring, educating, and leading by example—because while no one can change the world alone, each action we take moves us closer to a greener, fairer future.



