Website: Acid mine drainage is a major problem with many hard-rock mines, including almost all mines where the metal ore is bound up with sulphur (metal sulphide mines).
WEBSITE: A zero-energy building under construction in Germany is set to provide the first real-life test for a new facade system that uses live micro-algae to provide shade and generate renewable energy at the same time.
Forward-thinking people who live in glass houses should use a bio-adaptive facade and grow algae, writes Karien Slabbert.
Website: Ecosystems play a significant role in economic and social development, especially in countries like South Africa.
World Environment day, which is held annually on the 5th of June, is one of the principal ways in which the United Nations stimulates worldwide awareness of the environment and enhances political attention and action.