In 2024, the global mean surface air temperature was 1.49℃ above the pre-industrial average, and 0.61℃ higher than the average value from 1991 to 2020, making 2024 become the hottest year in global meteorological records. Both the global sea surface temperature and the ocean heat content above 2000 m height reached unprecedented highs in records. Antarctic and Arctic sea ice extents in 2024 were both clearly below the average. Kazakhstan, Pakistan, Afghanistan, Republic of Korea, France, Russia, Indonesia, South Africa, China, and other places experienced extremely severe rainfall, floods, landslides and other secondary disasters. Northern India and many parts of Europe suffered high temperatures and heat waves. Brazil was caught by the heaviest drought in records. The losses caused by tropical cyclones were serious, and multiple tornados occurred in the United States.