The mark consists of a thick brown border with a thin white border just inside the brown. There is the roman numeral "CCCL" in white and the phrase def. hip sustainable development in white text within this brown border. The center of the image has a green background with the brown text, the "GreenVille project", centered. Above the "GreenVille project" text is the image of a brown branch with pink flowers and green leaves. In the bottom right corner of the green center there is brown text, "Hortus in urbe" and in the bottom left hand corner of the green center there is the brown text, "Archaefructus sinesis".