RT null T1 GCOS Joint Panels Meeting Report K1 climate change K1 carbon K1 water K1 energy efficiency K1 biosphere YR 2019 FD 2019 LK https://wedocs.unep.org/handle/20.500.11822/32019 UL https://wedocs.unep.org/handle/20.500.11822/32019 NO The 24th Session of the Atmospheric Observation Panel for Climate (AOPC-24), 22nd Session of the Ocean Observations Panel for Physics and Climate (OOPC-22), 21st Session of the Terrestrial Observation Panel for Climate (TOPC-21), 8th Session of the WCRP Data Advisory Council (WDAC-8), 10th Session of the Joint CEOS-CGMS Working Group on Climate (WGClimate-10) DS UN Environment Document Repository RD Sep 24, 2026