Bjørn Lomborg

Bjørn Lomborg
Lomborg in 2025
Born (1965-01-06) 6 January 1965
Frederiksberg, Denmark
Alma mater
OccupationsAuthor, professor, visiting professor, think tank director
Scientific career
FieldsPolitical science, environmental economics
InstitutionsAarhus University, Environmental Assessment Institute, Hoover Institution, Copenhagen Consensus Center
ThesisSimulating social science: the iterated prisoner's dilemma and computer simulations in political science (1994)
Websitelomborg.com

Bjørn Lomborg (Danish: [ˈpjɶɐ̯ˀn ˈlɔmˌpɒˀ]; born 6 January 1965) is a Danish political scientist, author, and the president of the think tank Copenhagen Consensus Center. He is the former director of the Danish government's Environmental Assessment Institute (EAI) in Copenhagen. He became internationally known for his best-selling book The Skeptical Environmentalist (2001).

In 2002, Lomborg and the Environmental Assessment Institute founded the Copenhagen Consensus. In 2004, he was listed as one of Time's 100 most influential people.

In his subsequent book, Cool It (2007), and its film adaptation, Lomborg outlined his views on global warming, many of which contradict the scientific consensus on climate change. These views include the claim that the negative impacts are overstated and the opinion that too much emphasis is put on climate change mitigation at the expense of climate change adaptation. Lomborg agrees that global warming is real and man-made and will have a serious impact but enumerates other disagreements with the scientific consensus.

Lomborg's views and work have attracted scrutiny from the scientific community. He was formally accused of scientific misconduct over the book The Skeptical Environmentalist. The Danish Committees on Scientific Dishonesty (DSCD) concluded in an evaluation of the book that "one couldn't prove that Lomborg had deliberately been scientifically dishonest, although he had broken the rules of scientific practice in that he interpreted results beyond the conclusions of the authors he cited." The Danish Ministry of Science, Technology and Innovation criticised the procedural aspects of the DCSD investigation. His positions on climate change have been challenged by experts and characterized as cherry picking.