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’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.
The crew of NASA’s Artemis II mission are preparing to return to Earth after completing a groundbreaking journey around the Moon, with a Pacific Ocean splashdown expected off the coast of San Diego at around 01:00 BST (12:00 GMT).
Astronauts aboard Artemis II have described the emotional toll of their historic journey as they prepare for a high-risk “fireball” re-entry. The crew is set to splash down off California on Friday (10 April) after travelling farther than any humans in history.
The four astronauts aboard Artemis II briefly lost contact with Earth while flying behind the Moon, then regained it during a dramatic lunar far-side flyby.
A report published by Minval Politika has raised new questions over alleged efforts by Luis Moreno Ocampo to shape international pressure against Azerbaijan and influence political dynamics around Armenia.
A Pentagon official provided the first official estimate of the cost of the U.S. war in Iran on Wednesday (29 April), telling lawmakers that $25 billion had so far been spent on the conflict, most of it on munitions. Earlier, Donald Trump said that the U.S. had "militarily defeated" Tehran.
Iran’s Supreme Leader Mojtaba Khamenei warned “foreigners who commit evil” have no place in the Gulf, outlining a “new phase” for the Strait of Hormuz, while a senior adviser said U.S. blockade efforts would fail and could trigger confrontation.
Shares in Meta Platforms fell sharply in extended trading on Wednesday after the tech giant raised its annual capital spending forecast by billions of dollars.
A senior U.S. administration official says a ceasefire agreed with Iran in early April has effectively ended hostilities for an imminent congressional war powers 1 May deadline, arguing that the absence of any military exchanges for more than three weeks removes the need for further authorisation.
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.
Kazakhstan has ratified a regional green energy agreement with Azerbaijan and Uzbekistan, signalling Central Asia’s ambition to become a key supplier of renewable energy to international markets.
China’s growing use of electric and hydrogen-powered vehicles took centre stage at the Beijing Auto Show 2026, which opened on 24 April, highlighting the country’s expanding clean transport ambitions.
Global weather forecasters predict a strong El Niño will develop in the second half of 2026, bringing hotter, drier conditions to much of Asia while increasing rainfall in parts of North and South America.
Communities in Mexico have taken to the streets to protest against an ongoing oil spill in the Gulf of Mexico that has killed wildlife and damaged coral reefs over several weeks.
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