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T1 United in Science: High-level Synthesis Report of Latest Climate Science Information convened by the Science Advisory Group ofthe UN Climate Action Summit 2019
A1 World Meteorological Organization, 
A2 Siegmund, Peter
A2 Abermann, Jacob
A2 Cazenave, Anny
A2 Derksen, Chris
A2 Garreau, Arthur
A2 Howell, Stephen
A2 Isensee, Kirsten
A2 Kennedy, John
A2 Mottram, Ruth
A2 Huss, Matthias
A2 Nitu, Rodica
A2 Ramasamy, Selvaraju
A2 Schoo, Katherina
A2 Sparrow, Michael
A2 Trewin, Blair
A2 Ziese, Markus
A2 Canadell, Pep
A2 Jackson, Rob
A2 Friedlingstein, Pierre
A2 Peters, Glen
A2 Le Quere, Corinne
A2 Andrew, Robbie
A2 Tarasova, Oksana
A2 Vermeulen, Alex
A2 Dlugokencky, Ed
A2 Tans, Pieter
A2 Worthy, Doug
A2 Brailsford, Gordon
A2 Olhoff, Anne
A2 Christensen, John
A2 Kappelle, Maarten
A2 Liu, Jian
A2 Rogelj, Joeri
A2 Sarasas, Pinya
A2 Blome, Tanja
A2 Broadgate, Wendy
A2 Canadell, Josep
A2 L. Ebi, Kristie
A2 Edenhofer, Ottmar
A2 Gaffney, Owen
A2 Martin, Maria A.
A2 Rockström, Johan
A2 Roy, Joyashree
A2 Shrivastava, Leena
A2 Unger, Charlotte
A2 Ventimiglia, Andréa
A2 Lucio, Filipe
A2 Dilley, Maxx
A2 Grasso, Veronica
K1 climate
K1 climate change
K1 greenhouse gas
K1 global warming
K1 sea level
K1 heat
K1 fire
K1 food security
K1 cyclone
K1 fossil fuel
K1 emission
YR 2019
FD 2019
LK https://wedocs.unep.org/handle/20.500.11822/30023
UL https://wedocs.unep.org/handle/20.500.11822/30023
NO This report synthesises recent climate science findings from multiple international organisations to present a unified assessment of changes in the Earth system, human influences, and projected future impacts. It compiles observational data, emission trends, and scientific analyses covering temperature rise, sea level change, greenhouse gas concentrations, and extreme events, alongside evaluation of policy commitments and emission gaps. The document draws on published evidence to describe current climate conditions, drivers such as fossil fuel use and land activities, and implications for ecosystems, economies, and human wellbeing. It also outlines scientific projections, risks of tipping points, and the role of climate information services in supporting adaptation and decision-making.
DS UN Environment Document Repository
RD Sep 16, 2026