AnewZ Morning Brief - 31 August, 2025
Start your day informed with AnewZ Morning Brief: here are the top news stories for the 31th of August, covering the latest developments you need to k...
2023 defied climate expectations. It wasn’t just hotter than predicted — it was strangely hot. Now, scientists are piecing together what caused this anomaly, raising fresh concerns about Earth’s climate systems.
Gavin Schmidt, NASA’s top climate modeller at the Goddard Institute for Space Science, admitted to feeling “humbled” by 2023’s extraordinary temperatures. Writing in Nature earlier this year, Schmidt noted that the year was warmer than models anticipated. The deviation, unexplained at first, sparked worries that climate change is entering uncharted territory.
At December’s American Geophysical Union (AGU) meeting, the world's largest Earth science conference, experts revisited the mystery. Like detectives solving a case, scientists meticulously ruled out some “suspects” while identifying others.
Key Suspects Behind the Heat Surge
El Niño
The natural El Niño event, which warms the tropical Pacific, began in 2023, contributing to global temperatures. Yet the warming exceeded even El Niño’s usual influence, raising eyebrows.
Cleaner Air from Shipping
New rules to reduce sulphur in ship fuel have lowered pollution levels. However, cleaner air allows more sunlight to reach the ocean surface, which adds to global warming.
Volcano and Solar Activity
The Hunga Tonga eruption in 2022 injected water vapour into the atmosphere but also sulphates, which slightly cooled the Earth. Meanwhile, the Sun reached its peak activity cycle, contributing minimal extra heat.
Cloud Cover Changes
Research by Germany’s Alfred Wegener Institute found Earth reflected less sunlight in 2023 — its dimmest year yet. Reduced cloud cover, particularly over northern mid-latitudes, amplified warming. Cleaner air may have played a role, alongside long-term climate shifts that are altering cloud patterns.
The Bigger Picture
Global warming is accelerating. Some scientists argue that the drop in sulphur emissions is now speeding up heating, while changing cloud dynamics add to the uncertainty.
What’s Next
GISS modellers are now combining the latest data on sulphur emissions, cloud dynamics, and sunlight reflectivity into updated climate simulations. Schmidt expects these runs to clarify the contributions of various factors and potentially reshape projections for Earth’s future.
The findings are clear: warming is unlikely to slow any time soon.
A powerful eruption at Japan’s Shinmoedake volcano sent an ash plume more than 3,000 metres high on Sunday morning, prompting safety warnings from authorities.
According to the German Research Centre for Geosciences (GFZ), a magnitude 5.7 earthquake struck the Oaxaca region of Mexico on Saturday.
The UK is gearing up for Exercise Pegasus 2025, its largest pandemic readiness test since COVID-19. Running from September to November, this full-scale simulation will challenge the country's response to a fast-moving respiratory outbreak.
A Polish Air Force pilot was killed on Thursday when an F-16 fighter jet crashed during a training flight ahead of the 2025 Radom International Air Show.
Pakistan’s eastern towns of Chiniot and Hafizabad are at risk of devastating floods if an irrigation barrage on a major upstream river collapses after torrential rains pushed it beyond capacity, officials warned on Thursday.
Egypt, the United Arab Emirates (UAE), and Bahrain have signed an agreement with China to jointly develop a $220 million solar energy project.
A deadly landslide triggered by heavy rain struck a major Hindu pilgrimage route in Jammu, killing at least 30 people and disrupting communication across the region.
Wind farm developer Orsted's plan to raise much-needed capital is at risk following a U.S. order to halt construction of a near-complete project, and the Danish group's share price could come under pressure on Monday, analysts said.
Brazil’s government has ruled out subsidising hotel costs for delegates attending the COP30 climate summit in Belém this November, despite growing concerns over soaring accommodation prices.
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