Toxic bacteria are found in the mysterious marbles on Sydney beaches
Nine beaches were closed on 14 January after glass marble-sized pellets began to wash up
Ilias Messinas: The architect who will save the planet
Began two decades ago in Aegina, Ecoweek have now spread across 17 countries, continuing to inspire more people worldwide. The visionary behind Ecoweek is guiding us toward a future of environmental preservation and sustainable living"
Sweden builds nuclear waste storage facility for 100,000 years
The Forsmark facility will be the second largest in the world - It will have 60 kilometres of tunnels buried 500 metres below the earth's surface in a 1.9 billion year old rocky substrate