glacier melting

Fortunately, a few days ago, the cruise ship, Crystal Serenity, docked safely in New York having passed through the Northwest Passage, the first ever by a traditional cruise ship without an ice-strengthened hull.
A time-lapse video shows eight years of retreat at Alaska's Mendenhall Glacier in just seconds.
Launched in 2010, NASA's "State of Flux" image gallery shows the impacts of climate change, urbanization, natural disasters