Tag

Climate Modeling

All articles tagged with #climate modeling

Chasing Clouds: AI Rewrites the Rules of Climate Modeling
science7 days ago

Chasing Clouds: AI Rewrites the Rules of Climate Modeling

Clouds remain the biggest uncertainty in climate projections, pushing researchers to blend physics with AI. Projects like CLIMA and ACE2 train neural networks on real atmospheric data and high‑resolution cloud simulations to emulate cloud effects more accurately and, in some cases, to forecast with far less computational cost than traditional Navier‑Stokes–based models. CLIMA refines cloud parameters through large-eddy simulations to double model accuracy, while ACE2 uses data-driven forecasts to capture cloud-influenced dynamics and speed up predictions, sparking debate over long-term reliability and the best balance between data and physics.

US urges IEA to drop net-zero modeling
energy-and-climate8 days ago

US urges IEA to drop net-zero modeling

At a closed-door IEA ministerial in Paris, U.S. Energy Secretary Chris Wright urged the agency to abandon net-zero emissions scenarios, arguing such targets are unrealistic. The push drew muted pushback as European ministers stressed continued renewables expansion; Wright’s hardline rhetoric has faced rejection from several countries, and talks on the issue will continue.

Earth May Reassemble into a New Supercontinent, Bringing Drastic Climate Shifts and Extinction Risks
science12 days ago

Earth May Reassemble into a New Supercontinent, Bringing Drastic Climate Shifts and Extinction Risks

Scientists outline four possible future supercontinents—Novopangea, Pangea Proxima, Aurica, and Amasia—each arising from how today’s oceans evolve, with climate models predicting divergent outcomes (cooling and expanded ice in some scenarios, warmer, drier conditions in Aurica, and potential widespread glaciation in Amasia). While these projections show strikingly different worlds, they share high uncertainty and stress that substantial ecological disruption or extinction could accompany a new planetary union; humanity’s long-term survival may hinge on living in harmony with Earth's ecosystems.

Exploring the Future of Human Habitats on Mars
science4 months ago

Exploring the Future of Human Habitats on Mars

Recent technological advances have shifted the debate on Mars terraforming from impossible to challenging, with proposals including warming the planet, creating liquid water, and introducing microbes to eventually establish a breathable atmosphere. Researchers emphasize the importance of careful research, ethical considerations, and understanding potential risks before attempting large-scale planetary transformation.

AI and Biology: Pioneering the Future of Scientific Innovation
science-and-technology8 months ago

AI and Biology: Pioneering the Future of Scientific Innovation

AI is significantly advancing scientific research by enabling breakthroughs in protein structure prediction, brain mapping, materials science, climate forecasting, and fundamental physics, while also paving the way for autonomous laboratories and AI-driven hypothesis generation, despite some challenges in interpretability and understanding.

New Study Confirms Venus Never Had Oceans or Earth-like Life
science1 year ago

New Study Confirms Venus Never Had Oceans or Earth-like Life

New research from the University of Cambridge suggests that Venus may never have had oceans, challenging previous theories that it once had a temperate climate with liquid water. The study indicates that Venus' atmosphere and interior lack the necessary hydrogen for liquid water, implying it has always been dry. This contrasts with earlier models suggesting Venus might have been habitable. The findings highlight the planet's extreme conditions, including high temperatures and pressure, and toxic clouds, making it inhospitable.

"Unveiling the Impact of Supervolcano Eruptions on Global Climate"
science2 years ago

"Unveiling the Impact of Supervolcano Eruptions on Global Climate"

New research from NASA's Goddard Institute for Space Studies and Columbia University suggests that extreme volcanic super-eruptions may not lead to as severe cooling of Earth's surface temperatures as previously estimated. Using advanced computer modeling, the study found that post-eruption cooling would likely not exceed 2.7 degrees Fahrenheit, challenging previous estimates ranging from 3.6 to 14 degrees Fahrenheit. The study focused on the influence of microscopic sulfur particles injected into the atmosphere and their impact on temperature changes. The findings raise questions about the potential for geoengineering to combat global warming and highlight the need for further research on volcanic aerosol particle sizes.

"Warning: Impending Catastrophic Tipping Point for Atlantic Ocean Current"
climate-science2 years ago

"Warning: Impending Catastrophic Tipping Point for Atlantic Ocean Current"

Scientists have modeled a potential climate tipping point involving the collapse of the Atlantic Meridional Overturning Circulation (AMOC), which could lead to severe global climate repercussions, particularly impacting Europe. The collapse could result in a deep freeze in parts of Europe, with temperatures plunging by up to 30C, while the southern hemisphere would experience rising temperatures and changes in rainfall patterns. The study suggests that the AMOC tipping point could be closer than previously thought, but more research is needed to determine the likelihood and timeframe of such an event.

Study predicts rise in extreme weather events by 2050 due to carbon neutrality
climate-change2 years ago

Study predicts rise in extreme weather events by 2050 due to carbon neutrality

A study published in Nature Communications warns that achieving carbon neutrality by 2050 may lead to an increase in extreme weather events by that same year. The research highlights the negative impact of declining atmospheric aerosols on global climate, exacerbating the occurrence of extreme weather more than changes in greenhouse gases or the tropospheric ozone layer. The study emphasizes the need to find sustainable solutions to reduce greenhouse gas emissions and associated pollutants to mitigate the environmental, economic, and social impacts of global warming.

"Unearthing Ancient Ocean Water in the Himalayas: A Glimpse into Evolution"
earth-science2 years ago

"Unearthing Ancient Ocean Water in the Himalayas: A Glimpse into Evolution"

Researchers have discovered water droplets trapped in mineral deposits in the Kumaon mountains in the Indian state of Uttarakhand, believed to be remnants of an ancient ocean dating back 600 million years. These droplets could provide insights into the Neoproterozoic Oxygenation Event and the Earth processes that fostered the evolution of complex life. The findings could enhance our understanding of ancient oceans, their composition, and the environment at the time, and could be valuable for future climate modeling. The Himalayas are considered a prime location for studying various Earth processes, and the researchers hope their findings will attract more research groups to the region.

Accelerated Arctic Warming Speeds Up 2-Degree Celsius Increase by Eight Years
climate-change2 years ago

Accelerated Arctic Warming Speeds Up 2-Degree Celsius Increase by Eight Years

A new modeling study led by UCL researchers reveals that faster warming in the Arctic will result in the global temperature reaching a 2-degree Celsius rise eight years earlier than if the region were warming at the average global rate. The study highlights the significant impact of rapid Arctic warming on breaching critical climate thresholds set by the Paris Agreement and emphasizes the need for extensive monitoring and understanding of the processes occurring in the Arctic to improve global temperature rise forecasts. The study does not quantify the indirect effects of Arctic warming on the rest of the world but estimates its direct contribution to global temperature increases.