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...energy from waste, and composting. In the bonus audio tracks Professor Andrew Porteous of The Open University explains why the case studies were chosen, and Dr Suresh Nesaratnam gives an overview of the academic context in which waste management is studied. The material forms part of The Open University course T210 Environmental control and public health... Using and...

...solar system (perhaps within the first 60-100 million years), when impacts between planets clearing out their orbits were frequent in comparison to today. [simple artistic representation of the collison hypothesis model for the formation of the Moon ] Fig. 2: Simple artistic step-by-step representation of the collision hypothesis model for the formation of the Moon over...

...energies released by earthquakes...Earthquakes: 1.1 What happens during an earthquake? - The Earth is an active planet, with activity occurring in the oceans, in the atmosphere and in the solid Earth itself. This course looks at a dramatic example of solid Earth activity: earthquakes. You probably have some idea from newspapers, television or perhaps personal experience,...