In a follow-up to last week's posting about the series Earth : Power of the Planet, this is just a reminder that this week's episode (Tuesday BBC2 at 9pm) looks at the ability of ice to shape our planet. The programme description suggests that there will be much of relevance to Lithosphere and you can even watch couple of excerpts ahead of time. Click here to see how snow turns into glacial ice and here to see what goes on underneath a glacier.
