The economic costs of climate change
October 2024, Potsdam, Germany.

Folding the world
October 2024, Potsdam, Germany.

A new decision rational under limited resources
June 2024, Potsdam, Germany.

Scientifc Advisory Board
March 2024, Potsdam, Germany.

Research Days
February 2024, Potsdam, Germany.

Complexity Science for Climate Change Research
January 2024, Potsdam, Germany.

Impact of weather extremes on global trade
October 2023, Humboldt-University Berlin, Germany.

German Science Foundation: Antarctic Research
September 2023, Potsdam, Germany.

Mosse Lecture
July 2023, Humboldt University, Berlin, Germany.

Scaling Antarctic outlet glaciers
June 2023, Alfred-Wegener Institute, Potsdam, Germany.

The mathematics of Folding the World
April 2023, Free University, Berlin, Germany.

Three private reasons to reduce carbon emissions
January 2023, Potsdam Institute for Climate Impact Research, Potsdam, Germany.

Folding the World: Infinite growth on a finite planet
December 2022, Heidelberg University, Germany.

The economic commitment of climate change
November 2022, Oxford University, UK.

The effect of rain on economic growth
February 2022, Princeton University, USA.

Antarctica's sea level contribution
January 2022, CSDMS, Boulder CO, USA.

The Folding of Art
January 2022, Institute's seminar, Potsdam.

Tracking climate shocks along global supply chains
April 2021, DG Klima, Brussels.

Hurricane scaling
February 2021, EU Project RECEIPT, Potsdam.

Climate impacts onto Germany
November 2020, Berlin project, Potsdam.

An homage to glaciology - an outsider's perspective
December 2019, Amer. Geo. Union, San Francisco, USA.

Three paradigms to model societal processes
August 2019, Potsdam, Germany.

Three paradigms to model societal processes
May 2019, Princeton University, Princeton, USA.

Scaling ice: which Antarctic instability is the fastest?
May 2019, Columbia University, NY, USA.

Stabilizing the West Antarctic ice sheet
April 2019, Vienna, Austria.

Supply-chain failure from weather extremes
December 2018, Berlin, Germany.

Economics of climate damages
October 2018, Vallendar, Germany.

American Geophysical Union
December 2017, New Orleans, USA.

Impact World 2017
October 2017, Potsdam, Germany.

Sea level summer school
August 2017, Delft, The Netherlands.

German Physical Society
March 2017, Bremen, Germany.

Antarctica's ways of losing ice
November 2016, Toronto, Canada.

Adaptive value chains under climate change
May 2016, Rotterdam, The Netherlands.

Antarctica's ways of losing ice
June 2015, LDEO, New York, USA.

Glacial Antarctica & future sea-level
April 2015, European Geophysical Union, Vienna, Austria.

Perturbing perpetual ice: future sea-level
January 2015, LDEO, New York, USA.

Network evolution and economic climate damage
January 2015, Potsdam, Germany.

Economic damages of climatic extremes
October, Potsdam, Germany.

US Army Corps of Engineers: resilient infrastructure
September 2014, Boston, USA.

Climate-engineering & limits of adaptation
August 2014, Geo-engineering conference, Berlin, Germany.

Physics colloquium: Antarctica & sea-level rise
May 2014, physics colloquium, Heidelberg. Germany.

Resilience of global supply chains
June 2014, WH University, Valendar, Germany.

Ice plugs in Antarctica
May 2014, Iclipse workshop, Brussels, Belgium.

Physicists perspective on modeling social systems
February 2014, Chorin, Germany.

Asian monsoon stability
January 2014, Islamabad, Pakistan.

Future sea-level rise
December 2013, Stanford, CA, USA.

Research visit Max Auffhammer
December 2013, University of Berkley, CA, USA.

American Geophysical Union
December 2013, San Francisco, CA, USA.

Workshop on regional sea-level change
November 2013, Hamburg, Germany.

Ice dynamics and sea level
November 2013, AWI Bremerhaven, Germany.

DFG roundtable on sea level rise
September 2013, Hamburg, Germany.

Global adaptation strategies
May 2013, Impact World 2013, Potsdam, Germany.

Ice-shelf dynamics
May 2013, workshop, New-York University Abu Dhabi, UAE.

Upper limit of sea-level rise
April 2013, European Geophysical Union, Vienna, Austria.

Future sea-level contribution from Antarctica
April 2013, European Geophysical Union, Vienna, Austria.

Global adaptation strategies
April 2013, PIK retreat, Gussow, Germany.

Research Days
December 2012, Potsdam, Germany

Sea-level projections
October 2012, CISRO, Hobart, Australia

Ice-shelf calving
October 2012, University of Melbourne, Australia

Antactic sea-level contribution
September 2012, German Academy of Science, Potsdam, Germany

Tipping elements of the climate change
June 2012, Peseta project, Seville, Spain

Climate change
June 2012, German Academy of Science, Bonn, Germany

Climate modeling
June 2012, philosophical-economic faculty, Bayreuth, Germany

Ice-shelf calving
May 2012, PISM workshop, MPI-Hamburg, Germany

Climate change
March 2012, German Physical Society, Berlin, Germany

Socio-economic pathways
October 2011, workshop, Boulder, USA

Conceptual ocean models
September 2011, summer school 'Physics of the Ocean', Bad Honnef, Germany

Atlantic overturning stability
September 2011, Brussel university, Brussel, Belgium

Ice2sea project meeting
March 2011, Copenhagen, Denmark

German IPCC community
February 2011, annual meeting, Frankfurt a.M., Germany

Future monsoon failure
September 2010, global monsoon symposium, Shanghai, China

Mountain cryospheric reservoirs
August 2010, IASS, Potsdam, Germany

Sea-level rise
June 2010, IPCC, Kuala Lumpur, Malaysia

Monsoon failure
June 2010, SYNCLINE, Bad Honnef, Germany

Ice-shelf calving
May 2010, European Geophysical Union, Vienna, Austria

Antarctic sea-level contribution
March 2010, University of Bern, Switzerland

German IPCC community
March 2010, Eisenach, Germany

Climate change
October 2009, Conference on Climate Change Adaptation, Manila, Philippines

Monsoon failure
October 2009, Philippine Atmospheric, Geophysical & Astronomical Services Administration, Manila, Philippines

Sweedish funding agency
October 2009, Formas, Stockholm, Sweden

Atlantic overturning stability
October 2009, RAPID workshop, Reading, UK

Monsoon stability
September 2009, 4 degrees & beyond, Oxford, UK

Conceptual oean model
April 2009, European Geophysical Union, Vienna, Austria

Abrupt monsoon failure
April 2009, European Geophysical Union, Vienna, Austria

Tipping elements of the climate system
March 2009, German Physical Society, Hamburg, Germany

Subpolar gyre bistability
November 2008, Dep. of Mathematics and Statistics, University of Alaska, AK, USA

Research visit
Pennsylvania State University, State College, PA, USA

Subpolar gyre bistability
September 2008, Massachusetts Institute of Technology, Boston, MA, USA

Subpolar gyre bistability
September 2008, Woods Hole Oceanographic Institution (WHOI), Woods Hole, MA, USA

Research visit
September 2008, PCC Summer Institute, University of Washington, Seattle, WA, USA

Abrupt monsoon failure
April 2008, Workshop on Anthropogenic Changes of Asian Monsoon, Nanjing, China

Abrupt monsoon failure
April 2008, European Geosciences Union, Vienna, Austria

Climate change
March 2008, Max-Planck Institute for Plasmaphysics, Garchingen, Germany

Research visit
February 2008, The Energy and Ressources Insitute (TERI), New Delhi, India

Research visit
February 2008, Indian Institute of Tropical Meteorology, Pune, India

Research visit
February 2008, Indian Institute of Science, Bangalore, India

Souther ocean dynamics
January 2008, DFG Roundtable, Hamburg, Germany

Subpolar gyre bistability
February 2007, Max-Planck Institute for Meteorology, Hamburg, Germany

Earth System Models of Intermediate Complexity
January 2007, IfM-Geomar and University of Kiel, Kiel, Germany

Japanese-German Frontiers of Science Symposium
November 2006, Heidelberg, Germany

Rapid climate change conference
October 2006, Birmingham, UK

Role of Arctic sea-ice cover for overturning stability
September 2006, University of Stockholm, Sweden

Climate change
July 2006, Institute for theoretical physics, Bochum, Germany

Atlantic overturning
May 2006, Bergen, Norway

Role of Arctic sea-ice cover for overturning stability
April 2006, European Geosciences Union, Vienna, Austria

Antarctic Bottom Water
October 2005, Abrupt Climate Change Fellowship Roundtable, New York, USA

Symposium in honor of Gerard Bond
October 2005, Lamont, USA

Antarctic Bottom Water
October 2005, GFDL, Princeton, USA

Modeling Cretaceous climate
October 2005, Rutgers University, New Jersey, USA

Climber-3α
August 2005, 10-year-anniversary of CLIMBER-2, Potsdam, Germany

Antarctic Bottom Water
July 2005, LOCEAN, Paris, France

Antarctic Bottom Water
May 2005, Massachusetts Institute of Technology, Boston, USA

Antarctic Bottom Water
May 2005, Woods Hole Oceanographic Institution, Woods Hole, USA

First Annual Climate Decision Making Center Meeting
May 2005, Pittsburgh, PA, USA

Antarctic Bottom Water
April 2005, European Geosciences Union, Vienna, Austria

Earth System Models of Intermediat Complexity
March 2005, Bilbao, Spain

Impact of overturning collapse
November 2004, IfM-Geomar, Kiel, Germany

September 2004
CLIVAR workshop on North Atlantic THC Variability, Kiel, Germany
Expert Elicitation, Faroe Islands, Denmark
Expert Elicitation, Hadley Center, Exeter, U.K.

August 2004
Expert Elicitation, Victoria, Canada
Expert Elicitation, Lamont & Princeton & Woods Hole, USA
Expert Elicitation, Bern, Switzerland
Expert Elicitation, Hamburg & Kiel, Germany

July 2004
Southern Ocean Theory Workshop, Bremerhaven, Germany

May 2004
Fifth Network Meeting COSYC of SENS, Potsdam, Germany

April 2004
Meeting of the European Geosciences Union, Nice, France
Meeting of Comer Fellows and Mentors, New York, USA
Expert Elicitation, Hadley Center, Exeter, U.K.

March 2004
Visit on nonlinear growth patterns, Paris, France

January 2004
Minisymposium on Complex Nonlinear Processes, Berlin, Germany

November 2003
Weizmann Institute of Sciences, Rehovot, Israel

September 2003
Alfred-Wegener Institute, Bremerhaven, Germany
University of Twente, Twente, Netherlands

July 2003
Meeting of the Royal Society on the Southern Ocean, London, UK

April 2003
Meeting of the European Geophysical Society, Nice, France

March 2003
Meeting of the German Physical Society, Dresden, Germany

February 2003
Chinese University, Hong Kong, China
Meeting of the Royal Society on Abrupt Climate Change, London, UK

September 2002
Workshop on Nonlinear Physics, Cuernavaca, Mexico

July 2002
Dynamics Days Europe, Heidelberg, Germany

March 2002
Meeting of the German Physical Society, Regensburg, Germany

July 2001
6th Experimental Chaos Conference, Potsdam, Germany

June 2001
Dynamics Days Europe, Dresden, Germany

March 2001
Meeting of the German Physical Society, Hamburg, Germany

November 2000
Workshop on Strongly Nonlinear Physics, Cuernavaca, Mexico

February 1999
Winter school on Turbulence, Rehovot, Israel

September 1998
Summer school on Plasma Physics, Garching, Germany

February 1998
Summer school on Turbulence, Dresden, Germany

International Science Festival: Heidelberg Geist
November 2024, Heidelberg, Germany.

Construction companies
November 2024, Dortmund, Germany.

Construction companies
November 2024, Bonn, Germany.

Construction companies
November 2024, Koblenz, Germany.

Town hall meeting
November 2024, Unna, Germany.

Chinese delegation to Federal Environmental Agency
October 2024, Potsdam, Germany.

Water management company
October 2024, Regensburg, Germany.

Consulting company
September 2024, Ulm, Germany.

Philippine delegation
September 2024, Potsdam, Germany.

Union foundation
September 2024, Berlin, Germany.

Malaysian Climate Governance Summit
September 2024, Kuala Lumpur, Malaysia.

L'Oreal company
July 2024, Duesseldorf, Germany.

Brunswick consulting group
July 2024, Potsdam, Germany.

Oskar-von-Miller Forum
June 2024, Munich, Germany.

World Economic Forum brief non-executive directors
June 2024, Geneva, Switzerland.

Austrian World Summit
June 2024, Vienna, Austria.

Briefing at United Nations
June 2024, New York, USA.

Potsdam Film Festival
May 2024, Potsdam, Germany.

Sustainability festival
May 2024, Dresden, Germany.

Berlin School of Law and Economics
May 2024, Berlin, Germany.

Green Tech Festival
May 2024, Berlin, Germany.

Construction Companies
April 2024, Friedrichshafen, Germany.

Ernst-Bloch Zentrum
April 2024, Ludwigshafen, Germany.

German film industry
April 2024, Frankfurt, Germany.

Digital Sustainability Summit
April 2024, Berlin, Germany.

Construction Companies
March 2024, Berlin, Germany.

Construction Companies
March 2024, Leipzig, Germany.

Construction Companies
March 2024, Dresden, Germany.

Swedish Embassy
February 2024, Berlin, Germany.

Public talk on climate and folding the world
November 2023, Unna, Germany.

Journalist briefing
November 2023, Otzenhausen, Germany.

Leibniz Institute directors
November 2023, Berlin, Germany.

Construction Companies
November 2023, Frankfurt, Germany.

Construction Companies
November 2023, Stuttgart, Germany.

Construction Companies
November 2023, Karlsruhe, Germany.

Leipzig School of Economics
November 2023, Leipzig, Germany.

Book presentation: Folding The World
November 2023, Berlin, Germany.

Procter & Gamble Headquarter
November 2023, Cincinnati, USA.

Book presentation: Folding The World
November 2023, Schauspielhaus, Dresden, Germany.

Monument protection agency2023
October 2023, Berlin, Germany.

Re:publica 2023
September 2023, Berlin, Germany.

Motivating speech at Panther Prize
September 2023, Berlin, Germany.

Briefing of national TV makers on climate change
August 2023, Berlin, Germany.

Commemorative speech at university Dresden
June 2023, Dresden, Germany.

Public talk at Urania Berlin
May 2023, Berlin, Germany.

Regional ministry for the environment
May 2023, Hannover, Germany.

Bell Consulting
May 2023, Duesseldorf, Germany.

GCP Europe: building engineering companies
May 2023, Berlin, Germany.

European Federation of Engineering Consultancy
April 2023, virtual briefing.

4th World Sepsis Congress
April 2023, virtual conference.

taz lab 2023
April 2023, Berlin, Germany.

Dresden's Speeches / Dresdner Reden
March 2023, Dresden, Germany.

Construction engineers' company
February 2023, Munich, Germany.

Regional bank
January 2023, Unna, Germany.

Allianz, insurrance company
October 2022, Potsdam, Germany.

Bell Consulting
September 2022, Frankfurt, Germany.

Landtag Brandenburg, regional parliament
September 2022, Potsdam, Germany.

UK Minister
May 2022, Potsdam, Germany.

Risk Summit
May 2022, Frankfurt, Germany.

Real Estate Bank
May 2022, Potsdam, Germany.

Siemens
May 2022, Munich, Germany.

School of my daughter
May 2022, Potsdam, Germany.

Springer publishing house
April 2022, Berlin, Germany.

CEOs of 20 German companies
March 2022, Baden Baden, Germany.

Alexander von Humboldt Foundation
February 2022, online, global.

Christian Democratic Workers' Union
February 2022, online, Germany.

Journal for Supply Chain Management
February 2022, online, global.

Center for Economic Policy Research
November 2021, Brussels, Belgium.

European Center for Workers' Questions
November 2021, Vienna, Austria.

Vattenfall
November 2021, Stockholm, Sweden.

Tipping element lecture
November 2021, Potsdam, Germany.

Aventis foundation
October 2021, Frankfurt, Germany.

Industry club Thuringia
September 2021, Weimar, Germany.

Real estate investors
August 2021, Berlin, Germany.

Members of Parliament, Green Party
August 2021, Berlin, Germany.

Media briefing on climate tipping
June 2021, Potsdam, Germany.

Financial advisor company
May 2021, Frankfurt, Germany.

European Commission DG-Climate
April 2021, Brussels, Belgium.

Financial advisor company
March 2021, Frankfurt, Germany.

Investment bank
October 2020, Saarbrücken, Germany.

German building investment banks
June 2020, Potsdam, Germany.

German Archaeology Congress
March 2020, Vaduz, Lichtenstein.

Finance Forum Lichtenstein
March 2020, Vaduz, Lichtenstein.

Concrete Days
February 2020, Ulm, Germany.

Bundestag - German Parliament
January 2020, Berlin, Germany.

Energy company
December 2019, Munich, Germany.

Automobile engine companies
December 2019, Berlin, Germany.

Saxonian cultural foundation
November 2019, Dresden, Germany.

Heads of Saxonian municipalities
November 2019, Dresden, Germany.

Fuel cell engineers
October 2019, Wiesbaden, Germany.

Investment bankers
September 2019, Frankfurt, Germany.

Volkswagen company
September 2019, Stockholm, Sweden.

Investment bank
September 2019, Munich, Germany.

Regional energy company
July 2019, Nuernberg, Germany.

German Parliament Bundestag
May 2019, Berlin, Germany.

fuel cell company
May 2019, Vancouver, Canada.

Environmental ministry Thüringen
March 2019, Berlin, Germany.

Edeka bank representatives
February 2019, Berlin, Germany.

Rotary Potsdam
February 2019, Berlin, Germany.

Springer journalist trainees
January 2019, Berlin, Germany.

IPCC lead author meeting
January 2019, Vancouver, Canada.

Fuell cell companies
December 2018, Berlin, Germany.

Natural gas companies
November 2018, Berlin, Germany.

Hearing at German Parliament Committee
November 2018, Berlin, Germany.

Catholic Church
November 2018, Vienna, Austria.

Economic Forum Tagesspiegel
October 2018, Berlin, Germany.

Social democrate parliamentary group
November 2018, Berlin, Germany.

Sustainability summer school
September 2018, Saarbrücken, Germany.

IPCC lead author meeting
June 2018, Guangzhou, China.

Northern German Protestant Church
May 2018, Rendsburg, Germany.

HSBC bank
February 2018, Frankfurt, Germany.

Gathering of German communities
February 2018, Bonn, Germany.

Expert elicitation on sea level rise
February 2018, London, UK.

Northern German energy company
November 2017, Schwerin, Germany.

Automobile engine industry
November 2017, Berlin, Germany.

Automobile Industry
November 2017, Berlin, Germany.

Senckenberg Foundation
November 2017, Frankfurt Main, Germany.

Confercence of the Parties (COP-23)
November 2017, Bonn, Germany.

German Meteorological Society
November 2017, Bonn, Germany.

Finance consultancy
October 2017, Frankfurt Main, Germany.

Automobile companies
October 2017, Paderborn, Germany.

Chairman of Green parliamentary group
August 2017, Berlin, Germany.

EXPO World Exibition
July 2017, Astana, Kazastan.

Bundestag - German National Parliament
June 2017, Berlin, Germany.

Briefing Hamburg mayor Olaf Scholz
June 2017, Berlin, Germany.

Transportation companies
June 2017, Bad Hersfeld, Germany.

Helmholtz Society strategy discussion
Mai 2017, Berlin, Germany.

eMobility Summit
Mai 2017, Berlin, Germany.

US Congress representatives
Mai 2017, Potsdam, Germany.

Intergovernmental Panel on Climate Change
February 2017, Nauen, Germany.

Federal Ministry for Transportation and Infrastructure
November 2016, Berlin, Germany.

Post-Paris Briefing: Conservative Parliament Fraction
October 2016, Berlin, Germany.

International Maritime Pilots' Association
September 2016, Seoul, South Korea.

Post-Paris Briefing: Social-Democratic Party
September 2016, Berlin, Germany.

Cultural Heritage Conference
September 2016, Heidelberg, Germany.

Thüga, German energy company
June 2016, Berlin, Germany.

Techem, national heating company
June 2016, Königswinter, Germany.

Techem, national heating company
June 2016, Leipzip, Germany.

Techem, national heating company
June 2016, Berlin, Germany.

Post-Paris Briefing: Federal Ministry for the Economy
June 2016, Berlin, Germany.

Jordanian politicians and journalists
May 2016, Amman, Jordan.

UNESCO press conference
May 2016, New York, USA.

Techem, national heating company
May 2016, Bremerhaven, Germany.

German Parliament, Energy Politics Breakfast
January 2016, Berlin, Germany.

Climate "Conference of the Parties"
December 2015, #COP21, Paris, France.

Regional energy company
December 2015, Munich, Germany.

Journalist briefing
November 2015, Berlin, Germany.

Discussion on movie screening
November 2015, Berlin, Germany.

German Parliament, Future Strategy Group
November 2015, Berlin, Germany.

German Parliament, Environmental Committee
November 2015, Berlin, Germany.

German Federal Foreign Office
November 2015, Berlin, Germany.

Officials of Canadian province Ontario
October 2015, Toronto & Ottawa, Canada.

Transportation and climate change - symposium
October 2015, Karlsruhe, Germany.

Brazilian National Confederation of Industry
September 2015, Rio de Janeiro, Brazil.

Energy congress - Süddeutsche Zeitung
September 2015, Munich, Germany.

An upper limit to future sea level rise
July 2015, Paris, France

Rafael Correa, President of Ecuador
July 2015, Quito, Ecuador.

Maledivian environmental minister
May 2015, Potsdam, Germany.

Finance sector and industry
April 2015, Kassel, Germany.

Young scientists: briefing on outreach
April 2015, Vienna, Austria.

German Sustainability Award (N100)
February 2015, Berlin, Germany.

US Government Accountability Office
February 2015, Potsdam, Germany.

Foundation of the German economy
November 2014, Berlin, Germany.

German Parliament: Green Science Talk
November 2014, Berlin, Germany.

aqua-alta: national gathering of flood-prevention administrators
November 2014, Essen, Germany.

Adaptation Strategies for Baden-Württemberg
November 2014, Stuttgart, Germany.

Society on Foreign Policy
November 2014, Berlin, Germany.

Federal Press Office - Bundespresseamt
November 2014, Berlin, Germany.

Klimastiftung
October 2014, Münster, Germany.

Investors Day: renewable energy
October 2014, Berlin, Germany.

Synode der Nordkirche
September 2014, Lübeck, Germany.

Future Earth Summit
September 2014, New York, USA.

British Embassy
September 2014, Berlin, Germany.

Head of Bundestagsfraktion der Grünen
June 2014, Berlin, Germany.

Regional energy provider & engineers
June 2014, Jena, Germany.

Climate-change talk for Studienstiftung
May 2014, Wannsee, Germany.

Sustainability Festival
May 2014, Aarhus, Denmark.

Public climate-change talk
April 2014, Borkeheide, Germany.

Public climate-change talk
April 2014, Erfurt, Germany.

Summer school on Earth System Dynamics
March 2014, Max-Planck-Institute, Jena, Germany.

US Army Corps of Engineers
February 2014, Canadian Embassy, Berlin, Germany.

NRW Green Party government group
February 2014, NRW residence, Berlin, Germany.

Bundesverband Wärmepumpen
November 2013, stakeholder briefing, Berlin, Germany.

Movie screening: Thin Ice
November 2013, podium with von Mossner, Munich, Germany.

Eastern European UNFCC negotiators
October 2013, briefing on climate change, Vilnius, Lithuania.

Fast-Track programme
October 2013, coaching of young female scientists, Germany.

Austrian ministry of the environment
October 2013, IPCC-AR5, Vienna, Austria.

European Climate Foundation
August 2013, briefing of German NGOs, Berlin, Germany.

German Parliament
May 2013, one-to-one briefings of members of parliament.

Embassy of the United Kingdom
April 2013, movie screening 'thin ice', Berlin, Germany.

Ecuadorian President Raphael Correa
April 2013, private briefing, Berlin, Germany.

Social media conference Re:publica 2013
April 2013, public discussion, Berlin, Germany.

German Parliament
March 2013, briefing, Reichstag, Berlin, Germany.

IPCC AR5
January 2013, IPCC lead author meeting, Sydney, Australia.

Climate change presentation with public discussion
November 2012, general public, Luxembourg

Munich Re
October 2012, reinssurance company, Munich, Germany

Sea level expert elicitation
October 2012, London, UK.

German Academy of Science
September 2012, symposium on sea level change, Potsdam, Germany

ICCS
September 2012, International Conference on Climate Services, Brussels, Belgium

Tipping element expert meeting
June 2012, Joint Research Center of European Commission, Seville, Spain

German Academy of Science
June 2012, symposium on risk, Bonn, Germany

Hearing at German Parliament
May 2012, environment and nuclear safety committee, Berlin, Germany

IPCC AR5
April 2012, IPCC lead author meeting, Marakesh, Morocco

German Physical Society
March 2012, Annual meeting of Deutsche Physikalische Gesellschaft, Berlin, Germany

German dairy industry
March 2012, management of Deutscher Milchkontor, Bremen, Germany

Bayerische Staatskanzlei
March 2012, management within Bavarian government, Tegernsee, Germany

Akademie der Künste
December 2011, German academy of arts, Berlin, Germany

Finck foundation
November 2011, briefing of economic stakeholders, Potsdam, Germany

Bundestag - German Parliament
October 2011, pre-Durban briefing organized by Green Party, Berlin, Germany

Residenztheater München / Alexander Kluge
October 2011, public discussion, Munich, Germany

Journalist Allumni
October 2011, Briefing of IJP alumni, Berlin, Germany

Biochar symposium
October 2011, Berlin, Germany

Climate Engineering
September 2011, DFG roundtable, Kiel, Germany

Summer school
September 2011, summer school on ocean dynamics, Bad Honnef, Germany

Christian Democratic Party
August 2011, briefing of parliamentarians on tipping elements, Potsdam, Germany

IPCC AR5
July 2011, lead author meeting, Brest, France

German Business Initiative on Energy Efficiency
June 2011, DENEFF, Berlin, Germany

Reinsurance company
June 2011, E & S reinsurance, Germany

Viessmann
June 2011, infrastructure company, Allendorf, Germany

Business
June 2011, WACHSEN!2011, Markt & Mittelstand, Cologne, Germany

Norwegian embassy
May 2011, political stakeholder, Potsdam, Germany

EU climate road map
May 2011, Deutscher Naturschutzring, Berlin, Germany

"Climate sceptics"
April 2011, "Europäisches Institut für Klima und Energie", Potsdam, Germany

Infrastructure summit - Infrastrukturgipfel
April 2011, economic and political stakeholders, Berlin, Germany

CDU Wirtschaftsrat - Brandenburg
February 2011, Christian-Democratic Party, Brandenburg, Germany

Climate engineering
February 2011, Bremen Environmental Law Conference, Bremen, Germany

German Physical Society (DPG)
February 2011, Magnus-Haus, Berlin, Germany

IPCC Germany
February 2011, Annual meeting of German IPCC community, Frankfurt a.M., Germany

American Council
December 2010, American journalists and managers, Potsdam, Germany

Preparation for COP16 in Cancun
November 2010, workshop for journalists, Potsdam, Germany

Briefing at United Nations
November 2010, UN-ambassadors of G77-states and China, United Nations, New York, USA

IPCC AR5
November 2010, lead author meeting, Kumming, China

International Polar Foundation - EU parliament
October 2010, EU representatives, Brussels, Belgium

Autumn school
October 2010, graduate students of high-energy physics, Berlin, Germany

Deutsche Renterversicherer
October 2010, pension fund managers, Castrop-Rauxel, Germany

Climate engineering
October 2010, public discussion at university, Greifswald, Germany

International Conference on Greenhouse Gas Control Technologies
September 2010, economic stakeholders, Amsterdam, The Netherlands

Deutsche Bank
September 2010, economic stakeholders , Essen & Berlin, Germany

Osnabrücker Baumpflegetage
September 2010, Economic stakeholder, Osnabrück, Germany

UN ambassadors
June 2010, small island states, Potsdam, Germany

Deutscher Städtetag
June 2010, political stakeholders, Düsseldorf, Germany

Potsdamer Krisengespräche
June 2010, regional political stakeholders, Potsdam, Germany

Bundeswehr
June 2010, strategic division of German army, Potsdam, Germany

Synagieren - Initiative für gemeinsames Handeln
May 2010, students initiative, Leipzig, Germany

Naumann foundation
April 2010, German liberal party, Berlin, Germany

Informationzentrum Klimafreundliches Kohlekraftwerk - IZKlima
March 2010, economic stakeholders, Frankfurt/Oder, Germany

Intergovernmental Panel on Climate Change
March 2010, IPCC, Eisenach, Germany

Bundesverband Deutsche Stiftungen
March 2010, German foundations, Berlin, Germany

ITB - international tourism fair
March 2010, tourism industry, Berlin, Germany

Environmental ministry Baden-Würtemberg
February 2010, political stakeholders, Stuttgart, Germany

Premier- and foreign ministers of Pacific states
December 2009, political stakeholders, Potsdam, Germany

Evangelische Akademie
November 2009, economic and political stakeholders, Tutzing, Germany

Energie Agentur - Sachsen
November 2009, economic and political stakeholders, Dresden, Germany

ConEngery
November 2009, management of national energy companies, Bonn, Germany

Bundesverband Wärmepumpen
November 2009, economic stakeholders, Berlin, Germany

Philippine president, government and legislation representatives
October 2009, economic and political stakeholders, Manila, Philippines

Austrian geodesists' annual assembly
October 2009, scientific and political stakeholders, Schladming, Austria

European Environmental Agency
October 2009, expert meeting, Copenhagen, Denmark

4 degrees & beyond
September 2009, scientific and political stakeholders, Oxford, UK

Auswärtiges Amt - German Federal Foreign Office
September 2009, Asian diplomats, Potsdam, Germany

Friedrich-Ebert-foundation
July 2009, political stakeholders, Potsdam, Germany

Philippine minister for environment
June 2009, political stakeholders, Potsdam, Germany

Kiel Institute for World Economy & Leibniz Institute for Marine Research
June 2009, roundtable on geoengineering, Kiel, Germany

Umweltausschuss Schleswig-Holsteinischer Landtag - parliamental hearing
May 2009, hearing on sea level rise, Kiel, Germany

OWL Erneuerbar - Zukunftsvisionen bis 2030
March 2009, junior developers of energy saving technologies, Bielefeld, Germany

German Physical Society
March 2009, physicists, Hamburg, Germany

European Climate Foundation
March 2009, East-European NGO campaigners, Berlin, Germany

IPCC - Germany
February 2009, climate scientists and ministry representatives, Eisenach, Germany

CDU Wirtschaftsrat Badenwürtemberg
November 2008, policy makers and economic stakeholders, Mannheim, Germany

Deutscher Bundestag - German Parliament
October 2008, policy makers and economic stakeholders, Berlin, Germany

WILO A.G.
October 2008, management of engineering companies, Nürnberg, Germany

CDU Wirtschaftsrat Sachsen-Anhalt
October 2008, policy makers and economic stakeholders, Magdeburg, Germany

ETTAR EU Project
September 2008, transport company management, Brussels, Belgium

Auswärtiges Amt - German Federal Foreign Office
August 2008, Asian diplomats, Berlin, Germany

Members of European Parliament and EU commission administration
July 2008, policy makers, Brussels, Belgium

International Council on Clean Transportation and Deutsche Umwelthilfe
June 2008, political and economic stakeholders, Berlin, Germany

High-level India-Europe seminar
May 2008, political and economic stakeholders, Potsdam, Germany

Eco marathon Europe
May 2008, economic stakeholders, Nogaro, France

Ringvorlesung - Global Challenges Klimawandel
April 2008, academia, Darmstadt, Germany

Audi A.G.
April 2008, management, Ingolstadt, Germany

Climate Broadcasters Network - Europe
April 2008, European TV weather presenters,Monte Carlo, France

International retail management Shell
March 2008, economic stakeholders, Hamburg, Germany

Shell Energie Dialog
March 2008, economic and political stakeholders, Heide, Germany

ITB Kongress 2008
March 2008, tourism industry, Berlin, Germany

17th Nordfriesisches Wirtschaftsforum Schloss vor Husum
February 2008, economic stakeholders, Husum, Germany

Indo German Science Circle of the German Embassy
February 2008, economic and political stakeholders, New Delhi, India

NRW Landtagsfraktion of the Green Party
January 2008, political stakeholders, Berlin, Germany

Humboldt Club Israel
December 2007, academia, Weizmann Institute, Rehovot, Israel

Volkswagen A.G.
November 2007, management, Wolfsburg, Germany

Newsxchange - International journalists
October 2007, chief editors of international television, Berlin, Germany

Studium Generale
October 2007, students and grassroot stakeholders, Pforzheim, Germany

Green Party - Land Bremen
October 2007, political stakeholders, Bremen, Germany

Nobel Laureates Symposium - Potsdam Memorandum
October 2007, academia, Potsdam, Germany

Forschungsverband Solar Energie
September 2007, annual meeting, Hannover, Germany

Heinrich Böll Foundation
September 2007, journalists, Prague, Tchech Republic

Expert member of the EU-RISKBRIDGE project
September 2007, 2nd workshop "Risk governance and ethics project", Bologna, Italy

Airport HochTief
August 2007, economic stakeholders, Essen, Germany

Alpbacher Technoligiegespräche
August 2007, workshop on risk governance, Alpbach, Austria

Energy company EnBW
June 2007, economic, political and administrative stakeholders, Germany

Shell Energie-Dialog, Shell A.G.
June 2007, economic, political and administrative stakeholders, Hamburg and Stuttgart, Germany

EU parliament and EU ministry representatives
May 2007, policy makers, Brussels, Belgium

Energy company RWE
April 2007, management consulting, Potsdam, Germany

Shell Energie-Dialog, Shell A.G.
March 2007, economic, political and administrative stakeholders, Hannover and Wiesbaden, Germany

Expertengespräche of EU ErKlim Project
March 2007, economic, political and administrative stakeholders, Berlin, Germany

Social Democratic Party of Germany (SPD)
February 2007, political stakeholders, Berlin-Friedenau, Germany

11th Symposium on "Zukunftsenergien der EnergieAgentur.NRW", E-World
February 2007, economic stakeholders, Essen, Germany

Expert member of the EU-RISKBRIDGE project
Januar 2007, 1st workshop "Risk governance and ethics project", Paris, France

Students of geography from Bonn, Germany
January 2007, students' dialog, Potsdam, Germany

Bundesverband Kraft-Wärmekopplung e.V.
November 2006, economic stakeholders, Berlin, Germany

Verband Deutscher Versicherungsmakler e.V
November 2006, economic stakeholders, Hamburg, Germany

Astronomie Stiftung Trebur
October 2006, astronomers, Trebur, Germany

XVI Malente Symposium, Kiel Institute for the World Economy and Dräger Foundation
October 2006, economic, political and administrative stakeholders, Lübeck, Germany

Foreign attaches for science and environment
June 2006, political stakeholders, Potsdam, Germany

Sirius reinssurance
June 2006, economic stakeholders, Hamburg, Germany

Conference "Perspektiven für eine nachhaltige Entwicklung in Brandenburg"
May 2006, grassroots stakeholder dialog, Wittenberge, Germany

Participants of "Freiwilliges Ökologisches Jahr"
March 2006, grassroots stakeholder dialog, Neuhausen (Cottbus), Germany

Urania Kolloquium
March 2006, grassroots stakeholder dialog, Wittenberg, Germany

14th Frankfurter Sonderkolloquium
January 2006, economic, political and administrative stakeholders, Frankfurt/Main, Germany

Project 21+
January 2006, grassroots stakeholder dialog, Cottbus, Germany

Students of environmental sciences from Wageningen, The Netherlands
June 2005, students' dialog, Potsdam, Germany

Students of system analysis, Osnabrück, Germany
April 2005, students' dialog, Potsdam, Germany

Students with interest in climate research
March 2005, mini-tutorial, Bilbao, Spain