OCTOBER 5, 2026 Atmospheric radiocarbon (14C) data observed at the Hateruma and Ochiishi stations are released.
JULY 22, 2026 Reduced CO2 uptake by the terrestrial biosphere at northern mid-to-high latitudes contributed to the rapid rise in atmospheric CO2 during 2023–2024—from CO2 source/sink estimation using GOSAT data—
JUNE 5, 2026 The year 2025 version of “ODIAC fossil fuel CO2 emission dataset” (ODIAC2025) is released.
JUNE 2, 2026 CGER Report “National Greenhouse Gas Inventory Document of JAPAN 2026” is now available.