Coal and oil are moving in opposite directions in this year’s Global Carbon Budget. The researchers project a 1.9% fall in emissions from oil and a 0.6% rise from coal. Across fossil sources, they put the 2026 total at 38.2 billion tonnes of carbon dioxide, down 0.4% from last year. The November 10 release is a projection issued before the year is over.
Two forces sit behind those numbers. Wind and solar generation and the switch to electric vehicles are absorbing some growth in energy demand. At the same time, the conflict in Iran has disrupted oil supplies and raised prices. The researchers expect at least part of the drop in oil emissions to be temporary.
The picture changes when land use enters the accounts. The researchers anticipate higher emissions from peat fires and forest degradation in Southeast Asia. Including land-use change, they project 43.3 billion tonnes of CO₂ in 2026, against 42.8 billion in 2025.
What a one-year decline can tell us
A solar installation can keep displacing fuel after oil prices fall. A journey forgone because fuel suddenly costs more may resume as soon as prices ease. Both changes can reduce this year’s emissions; only one leaves equipment in place that can keep doing so next year. The global total alone cannot tell an energy planner how much of each happened.
There is a second distinction in the figures: meeting new demand with cleaner equipment slows the increase in fossil use, while retiring or running existing fossil equipment less can bring the absolute total down. That makes the next year of fuel-by-fuel data a more revealing test of structural change than the sign on this year’s preliminary estimate.