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 named three American astronauts and one Italian astronaut to fly on its Artemis III mission, a major orbital test planned for late next year that will evaluate lunar landing vehicles developed by SpaceX and Blue Origin.
Five astronauts aboard the International Space Station (ISS) were instructed to take shelter and prepare for a possible evacuation on Friday after an air leak in the Russian segment of the orbital outpost worsened, according to NASA.
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.
One person was killed and dozens injured after two passenger trains collided near Bedford in central England on Friday, prompting a major emergency response, British Transport Police said.
Israel and Hezbollah have agreed to a ceasefire, a senior U.S. official has said. Hezbollah has released a statement saying Israel must leave southern Lebanon. Israel has said it agrees to the ceasefire, but has said its armed forces won't leave Lebanon and will resume hostilities if attacked.
U.S. President Donald Trump sought a deal with Iran "out of deperation," Iranian Supreme Leader Mojtaba Khamenei has said, in a statement on social media. Khamenei added that he himself "held a different view," to Trump, but allowed the agreement after receiving assurances from Iran's President.
Jorge Messi, the father of football star Lionel Messi, is under medical supervision and is "progressing favourably" while recovering from an undisclosed health condition, according to a family statement.
Russia's defence ministry says its forces have captured the village of Yurkivka in Ukraine's eastern Donetsk region, according to the Interfax news agency. The claim could not be independently verified.
Scientists have identified almost 166,000 square kilometres of coral reefs worldwide that appear capable of surviving and recovering from the impacts of climate change, offering new hope for some of the planet's most vulnerable marine ecosystems.
Australia's weather bureau warned on Tuesday that an El Niño weather pattern has formed in the tropical Pacific and could intensify in the second half of 2026, becoming one of the strongest events recorded in seven decades.
France’s parliament has formally recognised state responsibility for the use of the toxic pesticide chlordecone in Martinique and Guadeloupe, marking a significant step in addressing decades of environmental contamination and public health concerns.
Financial markets are significantly underestimating the economic impact of biodiversity loss, potentially leaving countries exposed to sovereign debt crises and rising borrowing costs, according to new research published on Friday.
Wildlife researchers have identified dozens of previously unknown insect species during an expedition to Angola’s remote Lisima Plateau, a conservation group announced on Wednesday.
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