Michael B. Gerrard, associate faculty chair at Columbia University’s Earth Institute, is the Andrew Sabin professor of professional practice and director of the Sabin Center for…

It’s happening! Humanity’s greatest nightmare is already well underway. Wherever ice is found, appreciable melt is deep-seated, out of control, cascading into the seas shore-to-shore…

Rapid melting of Antarctic ice could push sea levels up 10 feet worldwide within two centuries, "recurving" heavily populated coastlines and essentially reshaping the world,…