This Monday, Marli chats to physicist and green tech trailblazer Linah Maphanga, the brilliant mind behind GrooveTech, a startup turning plastic waste into durable, affordable roads. From rural Mpumalanga roots to national innovation stages, Linah shares how childhood challenges sparked a mission to build better infrastructure while tackling South Africa’s waste crisis. It’s a story of purpose-driven science, smart solutions, and paving the way, literally and figuratively, for a more sustainable future.