Highest monthly CO2 level at Mauna Loa in first half of 2026
Prediction market on manifold. Resolves when June 2026 available at https://gml.noaa.gov/webdata/ccgg/trends/co2/co2_mm_mlo.txtResolves
24h Volume: $440. Liquidity: $1,000. Resolves: 6/30/2026.