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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The 4-person crew in the Orion capsule on NASA's Artemis II space shuttle carried out a key thruster firing on Thursday, sending the ship past the main orbit of the Earth towards the moon, in the hope of beating Apollo 13's distance in 1970, as they took pictures using phones and cameras.
Four astronauts blasted off from Florida on Wednesday on NASA's Artemis II mission, a high-stakes voyage around the moon that marks the United States' boldest step yet toward returning humans to the lunar surface later this decade in a race with China.
NASA is preparing to launch Artemis II with four astronauts on a roughly 10-day mission around the Moon, marking its most ambitious human spaceflight in decades and a key step towards returning astronauts to the lunar surface ahead of China.
NASA is aiming to launch its Artemis 2 mission on Wednesday (1 April), sending astronauts on a 10-day journey around the Moon, officials confirmed. According to the Space Administration, the launch window is due to open at 23:24 GMT, with additional opportunities to 6 April if delays occur.
One U.S. crew member has been rescued after two American warplanes were downed over Iran and the Gulf, as the search continues for a missing pilot, while President Donald Trump has given Tehran 48 hours to agree to a deal to end the war.
The U.N. Security Council is expected to vote next week on a Bahraini resolution to reopen the Strait of Hormuz and protect commercial shipping, diplomats said on Friday, amid opposition from China to any authorisation of force.
One crew member from a U.S. warplane shot down over Iran has been rescued, U.S. officials said, as a search continues for a second crew member.
The U.S. rescued an airman missing from one of two warplanes downed in Iran, two U.S. officials said, as President Donald Trump and Israel stepped up pressure on Iran to open the strategic Strait of Hormuz or face attacks on energy facilities.
The family of the late Virginia Giuffre have urged King Charles III to meet survivors of sexual abuse during his upcoming state visit to the United States.
The World Meteorological Organization (WMO) has warned that the Earth’s climate system is becoming increasingly unstable, with new evidence showing a growing imbalance in how the planet absorbs and releases energy.
China is preparing for a year of extreme weather in 2026, with authorities warning the country could face both severe flooding and widespread drought, underscoring mounting climate pressures.
Heavy rain, flash floods and lightning strikes across Afghanistan have killed 28 people and destroyed hundreds of homes in Kabul, Herat and other provinces.
Central Asia is stepping up efforts to address rapid glacier melt, following United Nations warnings of unprecedented climate pressure on mountain ecosystems.
Europe's aviation sector hit - and may well have surpassed - a 2% mandate for green jet fuel use in 2025, a regulatory official and a source told Reuters, bolstering airlines' green credentials as the region seeks to cut reliance on hydrocarbons.
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