Could British homes be powered by Icelandic volcano?

Commercial interest is growing in plans to harness geothermal energy from Iceland's magma lakes and use it to supply the UK and Europe

Harnessing the power of Iceland's volcanoes to provide energy to British homes is one of those ideas that resurfaces every few years, but sounds too good - or whacky - to be true.

However, interest from a clutch of international companies in a geothermal project in northern Iceland suggests the idea is not just achievable but commercially viable too.