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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Over the past year, 162 asteroids flew closer to Earth than the Moon. NASA and ESA warn only 40% of dangerous objects have been identified, with one asteroid posing a small risk of hitting the Moon in 2032.
NASA’s Perseverance rover has spotted the first aurora on Mars visible to the human eye, offering a glimpse of what future astronauts might one day enjoy under the Martian sky.
The Senate Commerce Committee on Wednesday advanced President Donald Trump’s picks of private astronaut-entrepreneur Jared Isaacman to run NASA and aide Olivia Trusty to fill an FCC seat, moves that would hand Republicans a 3-2 majority on the telecom regulator.
A magnitude 5.5 earthquake struck off Japan’s Tokara Islands on Wednesday, with no tsunami warning issued but residents advised to remain vigilant.
The United States has rescinded licensing restrictions on ethane exports to China, allowing shipments to resume after a temporary halt and signalling progress in efforts to ease recent trade tensions.
Italy plans to grant approximately 500,000 work visas to non-EU nationals between 2026 and 2028, as announced in a cabinet statement. The initiative aims to address labor shortages by expanding legal immigration pathways
Following a deadly glacier collapse in Blatten, near the Swiss Alpine village of Kandersteg, the town is on high alert as melting permafrost and shifting rock threaten another potential disaster after it was buried a month ago.
A malfunction in the radar transmission system at the Area Control Center in Milan suspended more than 300 flights at the weekend, across northwest Italy since Saturday evening according to Italy's air traffic controller Enav (National Agency for Flight Assistance).
China has issued high heat warnings across hundreds of regions as East Asia faces its most intense heat wave of 2025.
Australia has pledged $283 million to support a green hydrogen project led by explosives manufacturer Orica, aiming to boost renewable energy production and reduce industrial emissions.
Pakistani Prime Minister Shehbaz Sharif on Friday proposed creating a low-emissions corridor and regional climate initiatives under the Economic Cooperation Organization (ECO), warning that climate change is severely affecting food security and livelihoods across the region.
Australian researchers have pioneered a low-cost and scalable plasma-based method to produce ammonia gas directly from air, offering a green alternative to the traditional fossil fuel-dependent Haber-Bosch process.
The world’s largest climate fund approved a record volume of climate finance for developing countries, scaling up its efforts in response to growing global demand for climate finance.
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