Robin Good: Cloudscapes are collections of "clouds" about a certain topic. A "cloud" can be anything of relevance to learning and teaching clike an essay, a presentation, a resource, tool or event.
Cloudworks is developed by the Institute of Educational Technology at The Open University in the UK and it is part of the Open University Learning Design Initiative (OULDI) project.
Example of a cloudscape: http://cloudworks.ac.uk/cloudscape/view/2035
More info: http://cloudworks.ac.uk/
Via Robin Good