Free courses
Produced by The Open University, a world leader in open and distance learning, all OpenLearn courses are free to study. We offer nearly 1000 free courses across 9 different subject areas. Our courses are available to start right away.
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Nature & Environment
The frozen planet
This free course is a general introduction to the frozen planet, including the temperature in the polar regions; the energy from the Sun and the seasons; reading and understanding graphs and maps; and how the Arctic and Antarctic regions are defined.
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Nature & Environment
Studying mammals: Return to the water
Some of the most unusual and versatile of all the mammals are the groups that live, feed and reproduce underwater. In this free course, Studying mammals: Return to the water, we will see how these formerly land-based mammals adapted to a return to the water, discussing such challenges as breathing, movement and communication. This is the seventh...
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Science, Maths & Technology
Living without oil
Crude oil is currently our most important global source of energy. It is vital in the manufacture of many modern materials. But the worlds supply of oil is finite, its price is unstable and our reliance on oil has damaging environmental consequences. This free course, Living without oil, explains why developing alternatives to oil is an ...
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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 ...
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Nature & Environment
Studying mammals: A winning design
The term mammal encompasses a huge variety of animals, including humans. But what makes a mammal a mammal? This free course, Studying mammals: A winning design, explores some of the features, such as reproduction, lactation and thermoregulation methods, that mammals have in common. It is the first in a series of ten Studying mammals courses....
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Nature & Environment
Studying Darwin
Please note that this is not a course containing teaching materials. It collates links to a variety of courses and other resources about natural selection, its relevance to different environments and animal species, and the theory's influence on future scientists, psychologists and philosophers. It will be of interest to anyone wishing to study ...
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Nature & Environment
Studying mammals: The insect hunters
From pygmy shrews to armadillos, a wide range of mammals survive on a diet made up largely of insects. Many of these have fascinating adaptations suited to catching or rooting out their prey. In this free course, Studying mammals: The insect hunters, you will learn about these adaptations, along with survival strategies for when food is scarce. ...
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Nature & Environment
Neighbourhood nature
There is a fascinating world of nature all around us which we can see if we know how to look for it. Wherever you live, be it in a city or the countryside, you will find areas that support a range of wildlife. This free course, Neighbourhood nature, will provide you with basic scientific and observational skills so that you can go into your ...
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Nature & Environment
Organisations, environmental management and innovation
Do you want to discover more about how organisations innovate for environmental management? This free course, Organisations, environmental management and innovation, focuses on the innovations organisations are developing or using to manage contemporary environmental issues. It also covers how organisations are innovating thinking about ...
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Nature & Environment
Animals at the extremes: hibernation and torpor
Hibernation is an ingenious adaptation that some animals employ to survive difficult conditions in winter. This free course, Animals at the extremes: hibernation and torpor, examines the differences between hibernation and torpor, and discusses the characteristic signs of hibernation behaviour. It explores the triggers that bring on hibernation,...
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Nature & Environment
Surviving the winter
In this free course, Surviving the winter, we study one aspect of the fluctuating nature of an organisms environment. We consider how organisms living in a temperate climate, such as that in Britain, are adapted to cope with winter. You will see that there is much diversity of adaptations among organisms, with different species coping with the ...
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Nature & Environment
Financial methods in environmental decisions
This free course, Financial methods in environmental decisions, begins by introducing some of the tools that can be used to assess the benefits of investment decisions, including ways of assessing the ‘external costs’ – the wider costs and benefits to society as a whole – of environmental decisions.