A newly dated fossil site in Newfoundland reveals a more severe early animal extinction about 10 million years before the Cambrian radiation.

Short-term changes in sea level can greatly affect coastal communities and maritime industries, making accurate predictions essential. A team of researchers recently optimized the training of an AI model to improve the accuracy of North Pacific Ocean sea level anomaly (SLA) forecasts compared to current state-of-the-art numerical and AI models.

The Gulf of America is experiencing accelerated sea-level rise driven by ocean dynamics, vertical land motion and warming waters, intensifying flood risks for coastal communities – especially rural, under-resourced areas with limited planning capacity. A new four-year, $900,000 grant supports high-resolution modeling, machine learning and community engagement to deliver precise local projections, deploy water sensors and build an accessible AI platform, equipping communities with actionable forecasts to strengthen resilience and long-term adaptation.

For scientists who study the Southern Ocean, a long-standing silver lining in the gloomy forecast of climate change has been the theory of iron fertilization. As temperatures rise and glaciers in Antarctica melt, ice-trapped iron would feed blooms of microscopic algae, pulling heat-trapping carbon dioxide from the atmosphere as they grow.

There’s just one problem: The theory doesn’t hold water.

In what researchers describe as the most accurate measurement of iron inputs from a glacier in Antarctica, marine scientists from Rutgers University-New Brunswick have discovered that meltwater from an Antarctic ice shelf supplies far less iron to surrounding waters than once thought.

The findings, published in the journal Communications Earth and Environment, raise questions about the sources of iron in the Southern Ocean near Antarctica, and could significantly alter how climate change predictions are forecasted and modeled, the researchers said.

A recent study published in National Science Review has reconstructed the amount of rainfall experienced in the Middle Yangtze Valley between 4,600 and 3,500 years ago. The results show that a 140-year high-rainfall interval coincided with the abandonment of an ancient Shijiahe city. This highlights that water excess can be as problematic as water shortage, even for advanced ancient civilizations.

New geological data indicate that marine life is somewhat resilient to warming in the tropics. Chris Fokkema, earth scientist at Utrecht University, discovered that tropical algae were largely unaffected by a number of periods of global warming of up to 1.5 degrees Celsius in the distant past. These unicellar organisms form the basis of food webs and are generally very sensitive to rising temperatures. Previous studies of periods of even greater warming showed a dramatic decline in these organisms. “Somewhere beyond those 1.5 degrees, a tipping point occurs.”