Reporting on the State of the Climate in 2023 (2024)

Greenhouse gas concentrations, the global temperature across land and oceans, global sea level and ocean heat content all reached record highs in 2023, according to the 34th annual State of the Climate report. This is the most accessible BAMS State of the Climate report to-date.

The international annual review of the world’s climate, led by scientists from NOAA’s National Centers for Environmental Information and published by the Bulletin of the American Meteorological Society (BAMS), is based on contributions from more than 590 scientists in nearly 60 countries. It provides the most comprehensive update on Earth’s climate indicators, notable weather events and other data collected by environmental monitoring stations and instruments located on land, water, ice and in space.

“The BAMS State of the Climate report is the product of an international effort to more fully understand global climate conditions in 2023,” said NCEI Director Derek Arndt. “This report documents and shares a startling, but well established picture: We are experiencing a warming world as I speak, and the indicators and impacts are seen throughout the planet. The report is another signpost to current and future generations.”

Reporting on the State of the Climate in 2023 (1)
Notable findings from the international report include:

Earth’s greenhouse gas concentrations were the highest on record. Carbon dioxide, methane and nitrous oxide⁠—Earth’s major atmospheric greenhouse gases⁠—once again reached record high concentrations in 2023. Annual growth in global mean CO2 has increased from 0.6±0.1 ppm yr−1 in the early 1960s to an average of 2.5 ppm yr−1 during the last decade of 2014–23. The growth from 2022 to 2023 was 2.8 ppm, the fourth highest in the record since the 1960s.

Reporting on the State of the Climate in 2023 (2)

Record temperatures notable across the globe. A range of scientific analyses indicate that the annual global surface temperature was 0.99 to 1.08 of a degree F (0.55 to 0.60 of a degree C) above the 1991–2020 average. This makes 2023 the warmest year since records began in the mid to late 1800s, surpassing the previous record of 2016 by 0.23 to 0.31 of a degree F (0.13 to 0.17 of a degree C). The transition in the Pacific Ocean from La Niña at the beginning of the year to a strong El Niño by the end of the year contributed to the record warmth. All seven major global temperature datasets used for analysis in the report agree that the last nine years (2015–23) were the nine warmest on record. The annual global mean surface temperature has increased at an average rate of 0.14 to 0.16 of a degree F (0.08 to 0.09 of a degree C) per decade since 1880, and at a rate more than twice as high since 1981.

Reporting on the State of the Climate in 2023 (3)

El Niño conditions contributed to record-high sea surface temperatures. El Niño conditions in the equatorial Pacific Ocean emerged in boreal spring 2023 and strengthened throughout the year. The mean annual global sea-surface temperature in 2023 was record high, surpassing the previous record of 2016 by 0.23 of a degree F (0.13 of a degree C). Each month from June to December was record warm. On August 22, an all-time high globally averaged daily sea-surface temperature of 66.18 degrees F (18.99 degrees C) was recorded. Approximately 94 percent of the ocean surface experienced at least one marine heatwave in 2023, which is defined as sea-surface temperatures in the warmest 10 percent of all recorded data in a particular location on that day for at least five days. The eastern tropical and North Atlantic Ocean, the Sea of Japan, the Arabian Sea, the Southern Ocean near New Zealand, and the eastern tropical Pacific, were in a marine heatwave state for at least 10 months of 2023. The ocean experienced a new global average record of 116 marine heatwave days in 2023, which was far more than the previous record of 86 days in 2016, and a new record of 13 marine cold spell days, far below the previous record of 37 days in 1982.

Reporting on the State of the Climate in 2023 (4)

Ocean heat and global sea level were the highest on record. Over the past half-century, the oceans have stored more than 90 percent of the excess energy trapped in Earth’s system by greenhouse gases and other factors. The global ocean heat content, measured from the ocean’s surface to a depth of 2000 meters (over 6,500 feet), continued to increase and reached new record highs in 2023. Global mean sea level was record high for the 12th-consecutive year, reaching about 4.0 inches (101.4 millimeters) above the 1993 average when satellite altimetry measurements began. This rise is an increase of 0.3±0.1 of an inch (8.1±1.5 millimeters) over 2022, the third highest year-over-year increase on record.

Heatwaves and droughts contributed to massive wildfires around the world. During late spring and a record-warm summer, approximately 37 million acres burned across Canada, an area more than twice the size of Ireland and more than double the previous record from 1989. Approximately 232,000 people were evacuated due to the threat of wildfires, and smoke from the wildfires impacted regions across Canada and also affected the heavily populated cities of New York City and Chicago, and even areas of western Europe. With August to October 2023 being the driest three-month period in Australia in the record dating to 1900, millions of acres of bushfires burned for weeks in the Northern Territory during September and October. From mid-August to early September, the largest wildfire since the start of the record in 2000 for the European Union burned in the Alexandroupolis municipality of Greece. The fire burned almost 232,000 acres. Overall, the total area burned in Greece in 2023 was more than four times its long-term average.

Reporting on the State of the Climate in 2023 (5)

The Arctic was warm and navigable. The Arctic had its fourth-warmest year in the 124-year record, with summer (July to September) record warm. Below-ground, permafrost temperatures were the highest on record at over half of the reporting sites across the Arctic. Permafrost thaw disrupts Arctic communities and infrastructure and can also affect the rate of greenhouse gas release to the atmosphere, potentially accelerating global warming. The seasonal Arctic minimum sea-ice extent, typically reached in September, was the fifth-smallest in the 45-year record. The amount of multiyear ice—ice that survives at least one summer melt season in the Arctic—continued to decline. Since 2012, the Arctic has been nearly devoid of ice that is more than four years old. Both the Northern Sea Route and Northwest Passage became accessible to non-ice-hardened marine traffic. The Northern Sea Route, connecting the European Arctic to the Pacific Ocean via the north coast of Russia and Bering Strait, saw 75 ship transits in the 2023 open season, the second-highest number of ships on record. The Northwest Passage, which connects the Atlantic Ocean to the Pacific via northern Canada and Alaska waters, saw a record number of ship passages. A total of 42 ships made the complete Northwest Passage transit, far surpassing the previous record of 33 ships in 2017.

Reporting on the State of the Climate in 2023 (6)

Antarctica sea ice sets record lows throughout 2023. Eight months saw new monthly mean record lows in sea ice extent and sea ice area, and 278 days in 2023 set new daily record-low sea ice extents. On February 21, Antarctic sea ice extent and sea ice area both reached all-time record lows, surpassing the previous record lows that were set just a year earlier in February 2022. On July 6, a new record-low daily sea ice extent was 695,000 square miles (1.8 million square kilometers) lower than the previous record low for that day.

Tropical cyclone activity was below average, but storms still set records around the globe. There were 82 named tropical storms during the Northern and Southern Hemisphere storm seasons last year, which was below the 1991–2020 average of 87. Seven tropical cyclones reached Category 5 intensity on the Saffir–Simpson Hurricane Wind Scale. Globally, the accumulated cyclone energy—a combined measure of the strength, frequency, and duration of tropical storms and hurricanes—rebounded from the lowest in the 43-year record in 2022 to above average in 2023. Typhoon Doksuri (named Egay in the Philippines) caused $18.4 billion U.S. dollars in economic losses in the northern Philippines and China. Beijing received 744.8 mm of rain from remnants of the storm in a 40-hour period, which was the city’s heaviest rainfall in its 140-year record and caused floods that killed 137 residents. Tropical Cyclone Freddy became the world’s longest-lived tropical cyclone on record, developing into a tropical cyclone on February 6 and finally dissipating on March 12. Freddy crossed the full width of the Indian Ocean and made three landfalls in total: one in Madagascar and two in Mozambique. In the Mediterranean—outside of traditional tropical cyclone basins—heavy rains and flooding from Storm Daniel killed more than 4,300 people and left more than 8,000 missing in Libya.

The State of the Climate report is a peer-reviewed series published annually as a special supplement to the Bulletin of the American Meteorological Society. The journal makes the full report openly available online. NCEI’s high-level overview report is also available online.

Reporting on the State of the Climate in 2023 (2024)

FAQs

Reporting on the State of the Climate in 2023? ›

The WMO report confirmed that 2023 was the warmest year on record, with the global average near-surface temperature at 1.45 °Celsius (with a margin of uncertainty of ± 0.12 °C) above the pre-industrial baseline. It was the warmest ten-year period on record.

What is the latest climate change report in 2023? ›

2023 was the warmest year in the 174-year observational record. This shattered the record of the previous warmest years, 2016 at 1.29 ± 0.12 °C above the 1850–1900 average and 2020 at 1.27±0.13 °C. The ten-year average 2014–2023 global temperature is 1.20±0.12°C above the 1850–1900 average.

What is the climate prediction for 2023? ›

According to NOAA Climate Prediction Center's outlook for December-February 2023-24, the chances of a warmer-than-average winter (orange and red) are higher than the chances of a cooler-than-average winter across much of the northern part of the country, including Alaska, and most of Hawaii.

What is the current status on climate change? ›

The IPCC's Sixth Assessment report, published in 2021, found that human emissions of heat-trapping gases have already warmed the climate by nearly 2 degrees Fahrenheit (1.1 degrees Celsius) since 1850-1900.

What is the global climate report for July 2023? ›

July 2023 marked the 47th-consecutive July and the 533rd-consecutive month with temperatures at least nominally above the 20th-century average. Climatologically, July is the warmest month of the year. As the warmest July on record, July 2023 was more likely than not the warmest month on record for the globe since 1850.

What is the current state of the environment? ›

The current state of the environment is undergoing a profound transformation due to human activities with consequences that are difficult to grasp. The current state of the environment includes issues related to air quality, land and water pollution, energy supply, and social and economic challenges.

Which country is number one in climate change? ›

In the CCPI index for 2023, Denmark led the index followed by Sweden and Chile.

Will 2023 be the hottest summer ever? ›

Summer of 2023 was the hottest in 2,000 years in some parts of the world, researchers say. Last summer's sweltering heat broke more than city or regional or even national records. In what they call an "alarming finding," scientists say that in the Northern Hemisphere, the summer of 2023 was the hottest in 2,000 years.

What is the new name for global warming in 2023? ›

There's a new name for this period of warming, Anthropocene.

How many people died from climate change in 2023? ›

2023 was also deadly, causing at least 492 direct or indirect fatalities—the 8th most disaster-related fatalities for the contiguous U.S. since 1980. In 2023, the United States experienced 28 separate weather or climate disasters that each resulted in at least $1 billion in damages. NOAA map by NCEI.

What is happening to Earth right now in 2024? ›

MORE: Why it matters that Earth is on the brink of 1.5 degrees Celsius in warming: Copernicus. July 2024 had an average surface air temperature of 16.91 degrees Celsius, or 62.44 degrees Fahrenheit, registering just shy of the all-time highs for both, set in July 2023, according to the report.

What is the latest finding regarding climate change? ›

Climate change is widespread, rapid and intensifying. That is the key finding of the latest scientific report from the Intergovernmental Panel on Climate Change. It finds changes in the Earth's climate in every region and across the whole climate system.

Is there any good news about climate change? ›

'Spectacular' global renewables growth in 2023

Global renewable energy capacity hit 50% growth in 2023, its fastest growth rate for twenty years. Renewable capacity is on course to increase by 2.5 times by the end of the decade, keeping a key COP28 climate target of tripling renewable capacity within reach.

What is the current state of climate change 2023? ›

Almost all land areas experienced above-average temperatures in 2023. Annual temperatures were more than 1°C higher than the 1991-2020 average over much of Europe and North America, and over several other regions. Marine air temperatures were also the warmest on record for several regions in 2023.

What country is most affected by climate change 2023? ›

Countries most affected by climate change
  • Chad. It is considered the most vulnerable country on the planet according to the University of Notre Dame's country vulnerability studies, ...
  • Somalia. ...
  • Democratic Republic of Congo. ...
  • Afghanistan.

Was July 2024 hotter than July 2023? ›

According to the US National Oceanic and Atmospheric Administration, July 2024 was the warmest July on record for the globe in NOAA's 175-year record and 0.03°C (0.05°F) warmer than July 2023 and "more likely than not the warmest month on record for the globe since 1850."

What is the latest global warming report? ›

WMO | Provisional State of the Global Climate 2023

Data until the end of October shows that the year was about 1.4 degrees Celsius above the pre-industrial 1850-1900 baseline. The past nine years, 2015 to 2023, were also the warmest on record. “Greenhouse gas levels are record high. Global temperatures are record high.

What is the latest climate change forecast? ›

In a recent report, the Intergovernmental Panel on Climate Change (IPCC) showed the difference between 1.5°C and 2°C of global warming. But unless we reduce emissions rapidly, the world is likely to exceed 2°C of warming. By the end of this century, warming could potentially reach 4°C, possibly more.

What is the latest climate change statistics? ›

Overall, Earth was about 2.45 degrees Fahrenheit (or about 1.36 degrees Celsius) warmer in 2023 than in the late 19th-century (1850-1900) preindustrial average. The 10 most recent years are the warmest on record. The animation on the right shows the change in global surface temperatures.

What is the carbon report for 2023? ›

CO2 Emissions in 2023 provides a complete picture of energy-related emissions in 2023. The report finds that clean energy growth has limited the rise in global emissions, with 2023 registering an increase of 1.1%. Weather effects and continued Covid-19 reopening played a significant role in driving emissions in 2023.

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