Concrete is the most popular building material, but it’s not good for the environment. Concrete requires cement as one of its ingredients and the process of making it accounts for up to six percent of carbon dioxide emissions from man-made sources. But now the ocean’s coral has become inspiration for a much more eco-friendly concrete.
The South African National Roads Agency Limited´s (Sanral) may be in the news for reasons many residents of Gauteng province would rather forget, but staff at the parastal´s head office in the capital city of Pretoria have reason to celebrate.The head office – on Schoeman Street – has been given a G