- Ph.D., Department of Political Science, University of Copenhagen (1994).
- M.A., political science (1991).
According to his website , Bjørn Lomborg is an adjunct professor at the Copenhagen Business School. He received his Ph. D. in Political Science at the University of Copenhagen in 1994.
He is best known as the author of The Skeptical Environmentalist and Cool It, two books on global warming. Notably, Lomborg does not have a background in climate science and has published no peer-reviewed articles in the area.
Lomborg's errors in his discussion of climate change have been well-documented by many sources. For example, here's a notable website  dedicated to documenting his errors (the site also maintains a timeline  documenting the events leading to Lomborg's fame, and how he is regarded among his fellow Danes).
Lomborg has recently been pioneering the controversial idea  of geo-engineering to solve the issue of climate change. In one instance, Lomborg envisioned a fleet of 1900 robotic ships that will patrol the ocean while releasing spouts of ocean water to reflect the sun's rays in an attempt to reduce global warming. 
Geoengineering research proponent Ken Caldeira has said "the vision of Lomborg’s Climate Consensus is 'a dystopic world out of a science fiction story . . . Geoengineering is not an alternative to carbon emissions reductions . . . If emissions keep going up and up, and you use geoengineering as a way to deal with it, it's pretty clear the endgame of that process is pretty ugly'." 
Stance on Climate Change
In a 2010 report  in The Guardian, Lomborg acknowledged that global warming is "a challenge that humanity must confront." Lomborg goes as far as calling for a carbon tax and a $100 billion investment in clean technologies. 
But Lomborg's "new" view on climate change, presented prominently in his new book Smart Solutions to Climate Change, isn't exactly new. He still argues  that it would be too expensive to implement any major carbon reduction policy, and that "drastic carbon cuts would be the poorest way to respond to global warming." 
At this point, Lomborg appears to be directly contradicting himself .
"We have to ask ourselves: what do we want to do first? Do we want to focus on cutting CO2, at fairly high costs and doing fairly little good a hundred years from now? Or would we rather want to fix some of the many obvious problems in the world, where we could do a lot more good and do it now?" 
November 12, 2010
Lomborg appeared in the documentary film Cool It  which focused on his views regarding climate policy where he suggests "that there's a well-financed effort underfoot to spin the failure of climate action into a new political strategy for high-tech mega-investments."
Lomborg said that "independent investors" has financed the film. 
David Sassoon wrote a series of postings at Solve Climate on Lomborg’s media tours to the US. They are available here:
- "Global Warming’s Danish Denialist Coming to America: Part 1" 
- "Global Warming’s Danish Denialist Coming to America: Part 2" 
- "Global Warming’s Danish Denialist Coming to America: Part 3" 
- "Bjorn Lomborg Delivers Nihilist Message at Manhattan Institute Climate Talk" 
In 2007 Lomborg published his second major book skeptical about climate change titled Cool It. His book tour in Canada was sponsored by the Fraser Institute , an organization which has received $120,000  from ExxonMobil since 1998.
Alanna Mitchell, the Science Reporter for the Globe and Mail wrote a review :
"It would be possible to go point by point through the many similar flaws in each of Lomborg’s arguments, but frankly, the book is too pitiful to merit it. It’s not that his analysis is controversial - that would be fun - but that it is deeply dissatisfying, ignorant and shallow. I remember wondering, after I interviewed Lomborg, whether he was intellectually dishonest or just not very bright. Cool It has convinced me that it doesn’t matter. Lomborg has now proved beyond a doubt that he is incapable of contributing anything of merit to scientific discourse." 
More recently, Dr. Frank Ackerman  of Tufts University wrote a detailed and critical analysis  for the peer-reviewed journal Climatic Change , outlining the many errors and biases in Lomborg's book:
"The book is riddled with small inaccuracies, and because it displays a pervasive bias in its coverage and evaluations of climate issues. To begin with, Lomborg has a weak grasp of some of the essential details and commits elementary mistakes, with little or no citation of sources that would explain his results." 
Lomborg hosted the Copenhagen Consensus conference, partially funded by the Danish government. Eight economists selected by Lomborg were asked to prioritize ten global problems based on a hypothetical budget of $50 billion and a timeline of five years. Based on those constraints, the panel concluded that climate change was the least cost-effective area to invest public money.
The conference was hosted through the Danish Environmental Assessment Institute, of which Lomborg was the director. When the conference was announced, five of the seven board members resigned en masse in a dispute over the event.
Professor John Quiggin  is a Senior Research Fellow of the Australian Research Council, based at the Australian National University and Queensland University of Technology. He wrote a series of articles critical of the process, participants and perceived bias of the conference. , 
He concludes that "the Copenhagen Consensus project was created as a political stunt. It was designed, in every detail, to produce a predetermined outcome. Having got the desired outcome, the organizer has shown little or no interest in pursuing any of the other issues raised by the project."
In 2001, Lomborg published his first major book, The Skeptical Environmentalist. In response, The Danish Ecological Council  published an 225-page book titled Skeptical Questions and Sustainable Answers which documents the many errors and omissions in Lomborg's work.
The Danish Committee for Scientific Dishonesty  also received numerous complaints regarding the accuracy of Lomborg's first book. After investigating, they concluded:
"The publication is deemed clearly contrary to the standards of good scientific practice…there has been such perversion of the scientific message in the form of systematically biased representation that the objective criteria for upholding scientific dishonesty . . . have been met."
Scientific American later published their own 10-page article,  written by four leading experts, that was critical of The Skeptical Environmentalist and which described Lomborg's work as "deeply flawed." 
They further described Lomborg's text as having "misrepresented the actual positions of environmentalists and scientists" with an analysis that was "marred by invalidating errors that include a narrow, biased reading of the literature, an inadequate understanding of the science, and quotations taken out of context."
John P. Holdren, one of the Scientific American authors noted : "It is instructive that [Lomborg] apparently did not feel he could manage an adequate response by himself (In this, at least, he was correct. But he could not manage it with help, either)."
For his part, Lomborg sent a plea to his supporters asking for help in forming a rebuttal. It read:
"Naturally, I plan to write a rebuttal to be put on my web-site. However, I would also love your input to the issues — maybe you can contest some of the arguments in the Scientific American, alone or together with other academics. Perhaps you have good ideas to counter a specific argument. Perhaps you know of someone else that might be ideal to talk to or get to write a counter-piece."
"Lomborg’s book is seriously flawed and fails to meet basic standards of credible scientific analysis. The authors note how Lomborg consistently misuses, misrepresents or misinterprets data to greatly underestimate rates of species extinction, ignore evidence that billions of people lack access to clean water and sanitation, and minimize the extent and impacts of global warming due to the burning of fossil fuels and other human-caused emissions of heat-trapping gases. Time and again, these experts find that Lomborg’s assertions and analyses are marred by flawed logic, inappropriate use of statistics and hidden value judgments. He uncritically and selectively cites literature—often not peer-reviewed— that supports his assertions, while ignoring or misinterpreting scientific evidence that does not. His consistently flawed use of scientific data is, in Peter Gleick’s words 'unexpected and disturbing in a statistician.'"
Grist magazine also asked eight leading experts to critique the book based on their particular areas of knowledge. Their critical analysis, titled "A Skeptical Look at the Skeptical Environmentalist ," thoroughly discredits many of Lomborg's claims. 
Apart from the Skeptical Environmentalist and Cool It, Lomborg was also the editor of a 2010 book titled Smart Solutions to Climate Change: Comparing Costs and Benefits.
According to a search of Google Scholar, Lomborg has not published any articles in the area of climate science, although he has published numerous articles on economics.
"Lomborg says armada could halt global warming ," The Copenhagen Post Online, August 7, 2009. Archived August 11, 2010.
Joe Romm. "Lomborg flip-flop: 'Climate change is undoubtedly one of the chief concerns facing the world today' ," Climate Progress, August 31, 2010.
Juliette Jowit. "Bjørn Lomborg: $100bn a year needed to fight climate change ," The Guardian, August 30, 2010.
Howard Friel. "Bjørn Lomborg's missing questions ," The Guardian, August 30, 2010.
"Perspective on Climate Change" (PDF ), Testimony prepared by Bjorn Lomborg for the Subcommittee on Energy and Air Quality joint hearing with the Subcommittee on Energy and Environment of the Committee on Science and Technology on Wednesday March 21, 2007.
Robert Collier. "Bjorn Lomborg film offers new convenient truth ," San Francisco Chronicle, November 7, 2010.
Frank Ackerman. "Hot, It's Not: Reflections on Cool It!, by Bjorn Lomborg" (PDF ), Tufts University. Accessed January, 2012.
John Quiggin. "Copenhagen: conned again ," Crooked Timber, December 13, 2004.
"Copenhagen review ," John Quiggin, January 21, 2005.
Jeffrey D. Sachs. "Seeking a global Solution" (PDF ), Nature, Vol. 430 (August 12, 2004). Archived November 17, 2008.
Tom Burke. "This is neither scepticism nor science - just nonsense ," The Guardian, October 23, 2004.
"THE DECISION OF THE DANISH MINISTRY OF RESEARCH ON DEC. 17TH, 2003, concerning A COMPLAINT LODGED BY BJØRN LOMBORG ON FEBRUARY 13TH, 2003 ," Republished by lomborg-errors.dk.
"Skepticism toward The Skeptical Environmentalist ," Scientific American, April 15, 2002.
"The Skeptical Environmentalist ," Union of Concerned Scientists.
"Something Is Rotten in the State of Denmark: A skeptical look at The Skeptical Environmentalist ," Grist Magazine, December 12, 2001. Archived December 25, 2001.
"Heartland Experts: Mr. Bjorn Lomborg ," The Heartland Institute. Accessed January, 2012.
"Bjørn Lomborg: Director ," Copenhagen consensus center. Accessed January, 2012.
"Bjorn Lomborg ," SourceWatch Profile.
"Bjørn Lomborg ," Wikipedia entry.
"The Skeptical Environmentalist ," Wikipedia entry.
Stacy Feldman. "Why Isn't Anyone Laughing at Bjorn Lomborg? ", Solve Climate, October 26, 2007. Archived January 5, 2009.