Regents Professor, University of Minnesota
Expertise: Guest analyst - Forest ecosystems and climate
Analysis of “Thanks to climate change, the Arctic is turning green”
in The Washington Post, by Chris Mooney
— 04 Jul 2016
"The article reports about recent evidence that terrestrial ecosystems are 'greening' in response to human activities, principally the increasing atmospheric CO2 concentration. The..
Analysis of “Top 10 Global Warming Lies That May Shock You”
in Forbes, by James Taylor
— 03 Nov 2015
"This article wins the Olympic gold for cherry-picking data, misleading claims, and a long list of scientifically unsupported assertions.