Canary - Canary - DVD

Witness the extraordinary life of Dr. Lonnie Thompson, an explorer who went where no scientist had gone before and transformed our idea of what is possible. Daring to seek Earth's history contained in glaciers atop the tallest mountains in the world, Lonnie found himself on the frontlines of climate change-his life's work evolving into a salvage mission to recover these priceless historical records before they disappear forever.