A Tour of the Cryosphere

For an "8-1/2 minute "A Tour of the Cryosphere: Earth's Frozen Assets" movie brings together state-of-the-art animation and vast amounts of satellite imagery via a movie which flies viewers from pole to pole, exploring Earth's climate-critical snow and ice." click on this Discovery Channel link.

It is fascinating to watch, especially in the elapsed time shots. (From 1999 - 2002)It is informative while interesting and highlights basically an item worth learning about.