NASA reported that global sea levels rose by 0.23 inches (0.59 cm) in 2024, exceeding the projected 0.17 inches.
A NASA-led analysis found that this increase was primarily driven by thermal expansion, a process where ocean water expands as it warms. This marks a shift from previous years when the majority of sea level rise was attributed to melting glaciers and ice sheets.
In 2024, however, two-thirds of the increase came from thermal expansion, highlighting the impact of record-breaking global temperatures.
According to NASA, 2024 was the warmest year on record, with Earth’s average surface temperature reaching 1.28°C (2.3°F) above the agency’s 20th-century baseline. As a result, ocean levels have now reached their highest point in three decades.
Nadya Vinogradova Shiffer, director of physical oceanography programs at NASA, emphasized the connection between rising global temperatures and increasing sea levels, stating that the ocean is responding to the planet’s warming.
Josh Willis, a sea level researcher at NASA’s Jet Propulsion Laboratory, warned that the pace of sea level rise is accelerating. “The rise we saw in 2024 was higher than we expected,” he said.
“The ocean continues to rise, and the rate is getting faster and faster.” This trend underscores growing concerns about the long-term impacts of climate change on coastal communities and global ecosystems.
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NASA has revealed the next phase of its plan to build a permanent base on the Moon, outlining the vehicles, robotic landers and hopping drones it intends to send as part of the project.
China will send an astronaut to its space station on Sunday for a one-year mission, the longest duration for the country so far. The mission will help study long-duration human physiology in space as China works toward a crewed Moon landing by 2030.
NASA’s Artemis II crew has returned safely to Earth after completing a landmark journey around the Moon, marking the first crewed lunar mission in more than half a century.
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A group of Azerbaijani civil society organisations has called for increased scrutiny of Swiss building materials giant Holcim, citing court rulings and ongoing investigations linked to its subsidiary Lafarge's activities during the Syrian conflict.
The World Health Organization (WHO) says ongoing conflict, funding pressures and international travel restrictions are complicating efforts to contain a fast-growing Ebola outbreak in the Democratic Republic of Congo (DRC).
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Russia and Kazakhstan signed 15 agreements during President Vladimir Putin’s state visit to Astana on Thursday (28 May), including deals on Kazakhstan’s first nuclear power plant and expanded oil cooperation with Russia.
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The UK is experiencing potentially record-breaking temperatures after forecasters confirmed some areas reached highs close to 34°C on Monday.
More than 100 people were killed in a violent storm that battered India's most populous state, Uttar Pradesh, with rain and hail, the state Disaster Management and Relief office said on Thursday.
Climate change has driven a record surge in wildfires across Africa, Asia and other regions this year, with scientists warning that conditions are likely to worsen further as the northern hemisphere enters summer and El Niño weather patterns intensify.
Destruction of the world's tropical forests eased in 2025 from a record high, a report showed on Wednesday, underscoring how decisive policy can help keep trees standing despite pressures from a warmer climate and expanding agricultural frontiers.
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