If you do nothing else today, click on this:

David Breashears created this composite image in the spring of 2012 as part of Glacier Works' effort to document the response of glaciers to a changing climate. Click on it to enter the rarefied air of the high Himalayas and to play a rousing game of "spot-the-climber".

via Glacierworks.org; plus, NPR interviews Breashears