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Nature & Environment
Most popular in Nature & Environment
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Nature & Environment
Sperm counts
How much sperm does a man make? Would you explode if you don't release your sperm? Explore the male reproductive system in this article and video.
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level 2: intermediate icon
Nature & Environment
Eutrophication
Managing eutrophication is a key element in maintaining the earths biodiversity. Eutrophication is a process mostly associated with human activity whereby ecosystems accumulate minerals. This free course, Eutrophication, explains how this process occurs, what its effects on different types of habitat are, and how it might be managed.
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level 3: advanced icon
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, ...
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Nature & Environment
An introduction to floodplain meadows
This free course, An introduction to floodplain meadows, explores how these traditional landscapes can deliver a range of nature-based solutions that will improve our environment. The course will help you to learn about this unique environment, increasing your ecological knowledge, developing your skills in critical reasoning, and offering you ...
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Nature & Environment
Earth Day on OpenLearn
The first Earth Day on 22 April 1970 activated 20 million people from all walks of life to do their bit to protect our planet. More than 50 years on, it is estimated that one billion people worldwide will engage in this year’s Earth Day.
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Nature & Environment
Urban trees - could towns and cities become forests?
Dr Philip Wheeler explores how we manage trees in urban environments now and for the future.