7 of 16 planetary vital signs of Earth now at record extremes: Study

Earth's climate system is moving deeper into "uncharted territory", with seven of 16 climate-related planetary vital signs now at record extremes, a study found. Concentrations of carbon dioxide, methane and nitrous oxide all hit record levels in 2026, it said. Fossil fuel consumption rose by 0.9% in 2025, with oil, coal, and gas all reaching record highs, the study added.