2023 Marks Hottest Year on Record, WMO Reports

The World Meteorological Organization's latest report highlights unprecedented climate indicators, including ocean heat and sea-level rise.

2023 was the hottest year on record with a global near-surface temperature of 1.45°C above the pre-industrial baseline.
Nearly a third of the ocean experienced a marine heatwave at some point during the year, contributing to record ocean heat content.
Antarctica's sea-ice extent hit a record low, and glaciers experienced the most significant ice loss since records began in 1950.
Atmospheric concentrations of carbon dioxide, methane, and nitrous oxide reached record levels, continuing to rise in 2023.
Renewable energy capacity increased by nearly 50% in 2023, offering a glimmer of hope amidst the climate crisis.