Robb Kulin (photo: Eric Niiler)
Eric Niiler reports on the search for ancient air trapped in the ice of an Antarctic glacier. It could provide a window into the climate of the past and clues to the warmer climate of the future.
We want to hear your feedback so we can keep improving our website, theworld.org. Please fill out this quick survey and let us know your thoughts (your answers will be anonymous). Thanks for your time!