Richard Alley

Professor, PennState University

Expertise: Guest analyst - Sea level change, Glaciology

Details:

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ARTICLES REVIEWED

Grist article on an “Ice Apocalypse” mostly accurate, but doesn’t make the likelihood of that apocalypse clear enough to readers

in Grist, by Eric Holthaus

— 28 Nov 2017

"The article has a bias, emphasizing the high end scenarios of ice sheet behavior, avoiding scrutiny of model assumptions. The concept of marine ice cliff instability and how unusu..

Analysis of « Flooding of Coast, Caused by Global Warming, Has Already Begun »

in The New York Times, by Justin Gillis

— 07 Sep 2016

"The theory of sea-level rise and flood problems is pretty well understood — this makes the point that this theory is also happening now and can only be expected to get worse —..

CLAIMS REVIEWED

Sea level could rise by as much as 1 or 2 meters (3.3-6.6 feet) by the year 2100

CLAIM
Sea level rise could reach six or seven feet by the year 2100.

SOURCE: Justin Gillis, The New York Times

Published: 06 Sep 2016

VERDICT