This article introduces Mary Muthoni Wangari, a 24-year-old Kenyan trainee lawyer and grassroots activist, who is transforming agriculture through agroecology to combat climate change and food insecurity in the country.

As a youth coordinator at Haki Nawiri Afrika, she empowers youth, women, and smallholder farmers by focusing on food justice, gender justice, climate justice, and youth engagement. Wangari advocates for agroecology to develop sustainable agriculture and food systems, enhancing local food systems and environmental protection. Despite challenges in convincing local farmers to adopt new practices, her dedication fosters climate resilience and food security in Kenyan communities.