Unbelievable footage. Superimposed images of Manhattan for scale. The sound of the ice roaring and the glacier--the face of which is already 200 feet above the ocean--calving and then bobbing hundreds of feet more into the air is captivating. And pretty depressing.
Spectacular. But argh, the comments. Climate change denial is apparently very popular with YouTube commenters. Which, strangely, tells you all you need to know about both denialism and YouTube commenters.