Science · Open for opinions
Which global CO₂ concentration range will NOAA record for December 2026?
NASA's updated OCO-2/OCO-3 algorithms, announced in October 2026, now provide more accurate CO₂ data aligned… 88 opinions, 45% Between 429 and 431 ppm
- Below 427 ppm — 5%
- Between 427 and 429 ppm — 25%
- Between 429 and 431 ppm — 45%
- Above 431 ppm — 25%
Deadline: February 28, 2027 at 12:00 AM UTC · 88 opinions
Resolution rules
NASA's updated OCO-2/OCO-3 algorithms, announced in October 2026, now provide more accurate CO₂ data aligned with ground-based measurements, allowing global carbon trajectories to be tracked with greater reliability.
Source: eos.org
Frequently asked questions about this event
How is this event resolved?
Resolve com base no valor mensal oficial de CO₂ atmosférico médio global divulgado pelo NOAA (gml.noaa.gov/ccgg/trends/) referente a dezembro de 2026, publicado habitualmente até fevereiro do ano seguinte.
How are points scored?
Points depend on the share of votes your side had when you gave your opinion. Being right earns 100 minus that share. Being wrong costs that share.
Right now Between 429 and 431 ppm has 45% of the votes: an opinion on it that turns out right earns about 55 points, a wrong one costs about 45.