Glacier Melt, Sea Ice Loss, and Feedbacks

David Gelles, a reporter on the New York Times climate team who leads the Climate Forward newsletter and events series, discusses his latest reporting on why scientists are saying several of the Earth’s systems are changing faster than predicted as global temperatures rise.

Photo: A temperature device measures heat from the asphalt on a summer day. (Credit: Danielteolijr via Wikimedia Commons CC 4.0)