Some say that action, even at a small scale, has a possibility to have a ripple effect that can affect a greater change. With no such lofty expectations but with a challenge to disrupt the design mindset of one city – Ho Chi Minh City in Vietnam – where greenery comprises only 0.25 per cent of its rapidly changing urban landscape, Stepping Park House by the local firm Vo Trong Nghia Architects presents a response to a larger topic of environmental impact and usage of renewable resources in a dense metropolitan context.