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United in Science: High-level Synthesis Report of Latest Climate Science Information convened by the Science Advisory Group of the UN Climate Action Summit 2019
(2019)
Climate change is the defining challenge of our time. This important document by the United Nations and global partner organizations, prepared under the auspices of the Science Advisory Group of the Climate Action Summit, ...
Lightning for Climate : A Study by the Task Team on Lightning Observation For Climate Applications (TT-LOCA) Of the Atmospheric Observation Panel for Climate (AOPC) - GCOS-227
(2019)
This study summarizes the work done by TTLOCA and covers key aspects of lightning observations for climate applications. It explains the relevance of lightning observations for climate, describes the current status of ...
Systematic Observations and the Paris agreement: Report of the Task Team on the Paris Agreement - GCOS-222
(2018)
The Paris Agreement will drive climate policy for many years to come. It establishes a science-based cycle of reporting (through the Transparency Framework), assessment (the Global Stocktake) and increasing ambition of ...
Scientific Assessment of Ozone Depletion: 2018 - Global Ozone Research and Monitoring Project Report No. 58
(2018)
The Assessment documents the advances in scientific understanding of ozone depletion reflecting the thinking of the many international scientific experts who have contributed to its preparation and review. These advances ...
Understanding the IPCC Special Report on 1.5°C
(2018)
In 2015 governments adopted the Paris Agreement to tackle climate change (see below) and invited the IPCC to prepare a special report in 2018 to assess the impacts and related pathways of warming of 1.5ºC. This brief ...
GCOS Surface Reference Network (GSRN): Justification, Requirements, Siting and Instrumentation Options - GCOS-226
(2019)
This document provides a proposal for the establishment of a GCOS Surface Reference Network (GSRN). Reference quality observations are directly traceable to the International System of Units (SI) standards and include full ...
Report of the Twenty-seventh Session of the WMO-IOC-UNEP-ISC Steering Committee for GCOS - GCOS-232
(2020)
In accordance with its Memorandum of Understanding5, GCOS prepares regular reports on the status of the global climate observing system followed by implementation plans that address issues and gaps, and new developments ...
Plan for Improving Observations Around Lake Victoria that Support Numerical Weather Predictions, Climate Services and Adaptation
(2019)
This plan is the outcome of a workshop Improving the value chain from observations to climate services to support climate policy, adaptation and mitigation in East Africa held in Entebbe, Uganda on 31 October to 2 November ...
Report of the Tenth Meeting of the Ozone Research Managers of the Parties to the Vienna Convention for the Protection of the Ozone Layer - WMO Global Ozone Research and Monitoring Project Report No. 57
(2017)
The 10th meeting of the Ozone Research Managers (ORM) of the Parties to the Vienna Convention for the Protection of the Ozone Layer was held at the Headquarters of the World Meteorological Organization (WMO) in Geneva, ...
Report of the Eleventh GCOS Reference Upper Air Network Implementation Coordination Meeting (GRUAN ICM-11) - GCOS-230
(2019)
The goal of the meeting was to review progress and address identified issues with the implementation of GRUAN. The overarching theme of the meeting was thus “New data products, Operational concerns and Change management”.