
Nature & Environment
Climate change and renewable energy
Human-induced climate change and resulting extreme weather events are an increasing and serious threat to the Earth’s ecosystems. This free course, Climate Change and Renewable Energy, describes the basic science of the greenhouse effect and how it has been modified by human activities such as the burning of fossil fuels. It describes the ...

Nature & Environment
Energy in buildings
Themes covered in this free course, Energy in buildings, include reducing heating demand in buildings, heating systems and fuel emissions, and reducing electricity use by appliances. The course looks at the importance of energy in buildings in the UK, investigate heat loss and how to prevent it, ways of increasing building efficiency, ...

Science, Maths & Technology
Can renewable energy sources power the world?
We ask the question ‘Can renewable energy sources power the world?’ as a response to the growing awareness that increased use of renewable energy technologies is making a major contribution to global efforts to limit anthropogenic climate change. The course begins by examining the environmental concerns that have caused a rise in interest in ...

Science, Maths & Technology
The science of nuclear energy
This free course, The science of nuclear energy, will delve into the science behind nuclear power and explain what happens inside a nuclear reactor and what it means for an element to be radioactive. It will explore some of the risks of producing nuclear power and examine the arguments for and against including it in future energy planning as ...

Nature & Environment
Understanding water quality
Please note, this course was written in 2003/2004 therefore some of the information is now outdated.

Nature & Environment
An introduction to energy resources
Energy resources are essential for any society, be it one dependent on subsistence farming or an industrialised country. There are many different sources of energy, some well-known such as coal or petroleum, others less so, such as tides or the heat inside the Earth. Is nuclear power a salvation or a nightmare? This free course, An introduction ...

Nature & Environment
Energy resources: solar energy
Energy from sources other than fossil and nuclear fuels is to a large extent free of the concerns about environmental effects and renewability that characterize those two sources. Each alternative source supplies energy continually, whether or not we use it, and most have their origins in energy generated outside the Earth, yet the potential of ...