Bård Lahn

{{short description|Norwegian environmentalist and writer (born 1983)}}

{{Infobox person

| name = Bård Lappegård Lahn

| image = Bård Lahn.jpg

| image_size = 165px

| caption = Bård Lahn at UNFCCC Barcelona in 2009

| birth_date = {{Birth date and age|1983|5|26|df=y}}

| birth_place = Stange, Norway

| death_date =

| nationality = Norwegian

| death_place =

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}}

Bård Lappegård Lahn (born 26 May 1983 in Stange, Norway) is a Norwegian environmentalist and writer. He is a researcher at CICERO, Centre for International Climate and Environmental Research, in Oslo, with a research focus on climate politics, sociology, and Science and Technology Studies.{{cite web|title=Cicero|url=http://www.cicero.uio.no/en/employee/88/bard-lahn|accessdate=10 January 2017}} He has previously worked as an adviser on international climate policy in the Norwegian Society for the Conservation of Nature,{{cite web|url=http://naturvernforbundet.no/sekretariatet/baard-lahn-article14270-758.html |title=Bård Lahn |publisher=Norwegian Society for the Conservation of Nature |language=Norwegian |accessdate=29 January 2011 |url-status=dead |archiveurl=https://web.archive.org/web/20101218181136/http://naturvernforbundet.no/sekretariatet/baard-lahn-article14270-758.html |archivedate=18 December 2010 }} and from 2006 to 2008 he was chairman of the environmental NGO Natur og Ungdom. Prior to his leadership he had been deputy chairman since 2003 and an active member of Natur og Ungdom since the mid-1990s.

Lahn has served on several boards, including the board of the Sophie Prize, and is currently chairman of the board for the Minor Foundation for Major Challenges. In the early 1990s, he had his own section in the children's TV show Newtons Hage on the Norwegian TV channel Norsk Rikskringkasting.{{cite news|title= Miljøoptimisten |last=Kornberg|first=Kristin|date= 20 October 2006|work=Aftenposten Aften|pages=25|language=Norwegian}}