12 June 2019 - 14 June 2019
Amsterdam, The Netherlands

8th International Symposium on Non-CO2 Greenhouse Gases (NCGG8)

The conference brings together scientists and engineers and decision makers in the public and private sectors to actively support the implementation of policies and technologies to reduce non-CO2 greenhouse gases (NCGG) emissions.

A city view of Amsterdam © Olgacov | Dreamstime

A city view of Amsterdam © Olgacov | Dreamstime

Non-CO2 greenhouse gases include many substances, such as methane (CH4), nitrous oxide (N2O), fluorocarbons (CFCs, HFCs, SF6, etc), black carbon, aerosols, and tropospheric ozone (O3). These contribute significantly to climate forcing. Reducing non-CO2 greenhouse gas emissions is often more cost-effective than reducing CO2 emissions.

The scope of NCGG8 will be global challenges, and local solutions. The NCGG conferences pay attention to:

  • sources, sinks, and atmospheric processes of non-CO2 greenhouse gases;
  • mitigation options and emission reduction technologies and practices;
  • policies and measures, both in the public and private sectors; and
  • the science-policy-industry interface

Special attention will be paid to the Climate Convention, and to the UN Sustainable Development Goals.

Conference themes

Theme 1: Global Challenges and Local Solutions

Theme 1, is the overarching theme of NCGG8 and focusing on global challenges and local solutions. We seek for integrative and innovative studies of sources of non-CO2 greenhouse gases, their effects and strategies to reduce these effects. This theme reflects in fact the overall aim of the conference.

Theme 2: Sources, Sinks and Inventories

Theme 2 will concentrate on sources, sinks and inventories, including innovations in emissions monitoring and reporting and verification of emission data. Papers presented in this theme will mostly be from the natural and technology sciences, although we also welcome contributions from integrated studies under this theme.

Theme 3: Atmospheric Processes

Theme 3 will concentrate on atmospheric processes, and in particular on the physics and chemistry related to the radiative aspects of the atmosphere, including monitoring of concentrations of non-CO2 greenhouse gases, atmospheric processes including the relations between greenhouse gases and other air pollutants (e.g. aerosols). Contributions to this theme may include innovations in models and in atmospheric measurements.

Theme 4: Policy Implementation

Theme 4, will concentrate on policy implementation, including mitigation and adaptation. Policy and implementation issues may include assessments of implementation programs for reduction of non-CO2 greenhouse gas emissions and innovative approaches in policy implementations. Contributions within this theme will be from both natural sciences (e.g. reporting on new emission reduction technologies) and social sciences (e.g. on the economic or institutional feasibility of environmental measures). Contributions on technological issues and industries’ perspectives are welcomed, as well as discussions on the realization of policies.

The previous NCGG7 led to the following conclusions:

  • Large emission reductions in GHG needed to limit warming to 2 degrees
  • The window for action is rapidly closing
  • Focus of climate policy is (too much?) on CO2
  • Non-CO2 GHG emission reduction is very needed and possible and deserves more attention
  • Non-CO2 GHG emissions can be reduced at relatively low costs

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Last edited: 03 May 2019


Lena Höglund Isaksson

Senior Research Scholar

Pollution Management Research Group

T +43(0) 2236 807 368

Stefan Frank

Research Scholar

Integrated Biosphere Futures Research Group

T +43(0) 2236 807 218


8th International Symposium on Non-CO2 Greenhouse Gases

International Institute for Applied Systems Analysis (IIASA)
Schlossplatz 1, A-2361 Laxenburg, Austria
Phone: (+43 2236) 807 0 Fax:(+43 2236) 71 313