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!!! GAW Newsletter (e-zine) no. 1, June 2015 

!!!  GAW Implementation Plan for 2016-2019 (draft)

!!! Annotated Outline for an Integrated Global Greenhouse Gas Information System (IG3IS) Implementation Plan (draft)

18-19 August 2015: 4th International Tropical GAW Workshop, Jakarta, Indonesia. Click here to read the circular.
4 June 2015: Registration is open for the 18th meeting on Carbon Dioxide, Other Greenhouse Gases and Related Measurement Techniques (GGMT-2015) to be hold on 13-17 September 2015 in the Scripps Institution of Oceanography, San Diego, USA.
13 May 2015: The presentations from the BIPM Particulate workshop held on 15 April 2015 in Paris are now available at:
For more news please go to NEWS-ARCHIVE


The Global Atmosphere Watch (GAW) programme of WMO is a partnership involving the Members of WMO, contributing networks and collaborating organizations and bodies which provides reliable scientific data and information on the chemical composition of the atmosphere, its natural and anthropogenic change, and helps to improve the understanding of interactions between the atmosphere, the oceans and the biosphere.

GAW focal areas are aerosols, greenhouse gases, selected reactive gases, ozone, UV radiation and precipitation chemistry (or atmospheric deposition). GAW supports the WMO GAW Urban Research Meteorology and Environment (GURME) project and works together the Group of Experts on Scientific Aspects of Marine Environmental Protection (GESAMP) as well as provides Sand and Dust Storms Warning (SDS-WAS).

Greenhouse gases
Reactive gases
UV radiation
Acid deposition
Sand and Dust Storms

GAW is considered the atmospheric chemistry component of the Global Climate Observing System (GCOS).

Organizational components and structure of the Programme are presented under "Structure".

The GAW Programme operates according to WMO Global Atmosphere Watch (GAW) Strategic Pan: 2008-2015 and its Addendum.


Meetings & Training

Upcoming meetings (2015)
Materials of previous meetings
 GAW and related meeting lists (2009, 2010, 2011, 2012, 2013, 2014)

Draft GAW reports (open for comments):

GAW 217 - System of Air Quality Forecasting and Research (SAFAR - India), June 2015

GAW 218 - Absorption Cross-Sections of Ozone (ACSO), Status Report, June 2015







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