Storch said in testimony to the U.S. House of Representatives in 2006 that anthropogenic climate change exists: He is also known for an article in Der Spiegel he co-wrote with Nico Stehr, which states that: In December 2009, he expressed concern about the credibility of science and criticized some publicly visible scientists for simplifying and dramatizing their communications.

He pointed to the German Waldsterben (Forest dieback) hype of the 1980s:[5] On 20 June 2013 Storch stated "So far, no one has been able to provide a compelling answer to why climate change seems to be taking a break.

"[6] Hans von Storch, who also concurs with the mainstream view on global warming,[7] said that the University of East Anglia (UEA) had "violated a fundamental principle of science" by refusing to share data with other researchers.

A few months before a controversial article (Soon and Baliunas 2003[9]) had raised questions about the journal's decentralised review process, with no editor-in-chief, and about the editorial policy of one editor, Chris de Freitas.

Storch later told the Chronicle of Higher Education that "climate science skeptics" “had identified Climate Research as a journal where some editors were not as rigorous in the review process as is otherwise common.”[12] In late 2004, Storch's team published an article in the journal Science which tested multiproxy methods such as those used by Mann, Bradley, and Hughes, 1998, often called MBH98,[13] or Mann and Jones,[14] to obtain the global temperature variations in the past 1000 years.

[citation needed] In April 2006, Science published a comment authored by Wahl and collaborators, asserting errors in the 2004 paper, stating that "their conclusion was based on incorrect implementation of the reconstruction procedure" a mistake with Repercussions;[15] and a disputing VS Reply.