Climate News

October 17, 2025

Top Headlines

Earth’s Climate Just Crossed a Line We Can’t Ignore

Oct. 13, 2025 — Humanity has reached the first Earth system tipping point, the widespread death of warm-water coral reefs, marking the beginning of irreversible planetary shifts. As global temperatures move beyond 1.5°C, the world risks cascading crises such as ...

They’re Smaller Than Dust, but Crucial for Earth’s Climate

Oct. 10, 2025 — Coccolithophores, tiny planktonic architects of Earth’s climate, capture carbon, produce oxygen, and leave behind geological records that chronicle our planet’s history. European scientists are uniting to honor them with International ...

Record Amazon Fires Release More Carbon Than an Entire Country

Oct. 8, 2025 — The Amazon has suffered its most destructive fire season in more than two decades, releasing a staggering 791 million tons of carbon dioxide—on par with Germany’s annual emissions. Scientists found that for the first time, fire-driven ...

The Red Sea That Vanished and the Catastrophic Flood That Brought It Back

Oct. 8, 2025 — Researchers at KAUST have confirmed that the Red Sea once vanished entirely, turning into a barren salt desert before being suddenly flooded by waters from the Indian Ocean. The flood carved deep channels and restored marine life in less than ...

Ocean Heatwaves Are Breaking Earth’s Hidden Climate Engine

Oct. 7, 2025 — Marine heatwaves can jam the ocean’s natural carbon conveyor belt, preventing carbon from reaching the deep sea. Researchers studying two major heatwaves in the Gulf of Alaska found that plankton shifts caused carbon to build up near the surface ...

From Gentle Giants to Ghostly Hunters, Sharks Face an Unseen Peril

Oct. 5, 2025 — New research reveals that deep-sea mining could dramatically threaten 30 species of sharks, rays, and ghost sharks whose habitats overlap with proposed mining zones. Many of these species, already at risk of extinction, could face increased dangers ...

Japan’s Hot Springs Hold Clues to the Origins of Life on Earth

Oct. 3, 2025 — Billions of years ago, Earth’s atmosphere was hostile, with barely any oxygen and toxic conditions for life. Researchers from the Earth-Life Science Institute studied Japan’s iron-rich hot springs, which mimic the ancient oceans, to uncover how ...

Scientists Just Recreated a Wildfire That Made Its Own Weather

Oct. 2, 2025 — In 2020, California’s Creek Fire became so intense that it generated its own thunderstorm, a phenomenon called a pyrocumulonimbus cloud. For years, scientists struggled to replicate these explosive fire-born storms in climate models, leaving major ...

1,000 Swiss Glaciers Already Gone, and the Melting Is Speeding Up

Oct. 2, 2025 — Swiss glaciers lost nearly 3% of their volume in 2025, following a snow-poor winter and scorching summer heatwaves. The melt has been so extreme that some glaciers lost more than two meters of ice thickness in a single season. Scientists caution ...

The Billion-year Reign of Fungi That Predated Plants and Made Earth Livable

Oct. 1, 2025 — Fungi may have shaped Earth’s landscapes long before plants appeared. By combining rare gene transfers with fossil evidence, researchers have traced fungal origins back nearly a billion years earlier than expected. These ancient fungi may have ...

Tiny Stones Rewrite Earth’s Evolution Story

Sep. 26, 2025 — Scientists have uncovered an unexpected witness to Earth’s distant past: tiny iron oxide stones called ooids. These mineral snowballs lock away traces of ancient carbon, revealing that oceans between 1,000 and 541 million years ago held far less ...

Toxic Waste Could Become the Next Clean Energy Breakthrough

Sep. 26, 2025 — Bio-tar, once seen as a toxic waste, can be transformed into bio-carbon with applications in clean energy and environmental protection. This innovation could reduce emissions, create profits, and solve a major bioenergy industry ...

Latest Headlines

updated 10:32am EDT

MIT Finds Traces of a Lost World Deep Within Planet Earth

Oct. 17, 2025 — Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” ...

Asteroid Ryugu’s Hidden Waters Could Explain How Earth Got Its Oceans

Oct. 16, 2025 — Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping theories of how Earth gained its oceans. A billion-year-old impact may have ...

Forged in Fire: The 900°C Heat That Built Earth’s Stable Continents

Oct. 16, 2025 — New research reveals that Earth’s continents owe their stability to searing heat deep in the planet’s crust. At more than 900°C, radioactive elements shifted upward, cooling and strengthening ...

New Simulation Reveals How Earth’s Magnetic Field First Sparked to Life

Oct. 12, 2025 — Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects of viscosity in their simulation, they revealed a self-sustaining ...

Scientists Crack the Explosive Secret of How Diamonds Reach the Surface

Sep. 24, 2025 — Diamonds hitch a ride to the surface through explosive kimberlite eruptions, powered by volatile-rich magmas. New simulations show that carbon dioxide and water are the secret ingredients that make ...

This Surprising Building Material Is Strong, Cheap, and Sustainable

Sep. 22, 2025 — A team at RMIT University has created a cement-free construction material using only cardboard, soil, and water. Strong enough for low-rise buildings, it reduces emissions, costs, and waste compared ...

The Shocking Reason Arctic Rivers Are Turning Rusty Orange

Sep. 22, 2025 — Researchers found that ice can trigger stronger chemical reactions than liquid water, dissolving iron minerals in extreme cold. Freeze-thaw cycles amplify the effect, releasing iron into rivers and ...

Wildfire Smoke Could Kill 70,000 Americans a Year by 2050

Sep. 19, 2025 — Wildfires are no longer a seasonal nuisance but a deadly, nationwide health crisis. Fueled by climate change, smoke is spreading farther and lingering longer, with new research warning of tens of ...

Earthquakes Release Blistering Heat That Can Melt Rock in an Instant

Sep. 19, 2025 — MIT scientists have unraveled the hidden energy balance of earthquakes by recreating them in the lab. Their findings show that while only a sliver of energy goes into the shaking we feel on the ...

Scientists Stunned by Salt Giants Forming Beneath the Dead Sea

Sep. 18, 2025 — The Dead Sea isn’t just the saltiest body of water on Earth—it’s a living laboratory for the formation of giant underground salt deposits. Researchers are unraveling how evaporation, ...

Earlier Headlines

Soil Warming Experiments Challenge Assumptions About Climate Change

Sep. 17, 2025 — Heating alone won’t drive soil microbes to release more carbon dioxide — they need added carbon and nutrients to thrive. This finding challenges assumptions about how climate warming influences ...

Tiny Skaters Beneath the Arctic Ice Rewrite the Limits of Life

Sep. 12, 2025 — Hidden within Arctic ice, diatoms are proving to be anything but dormant. New Stanford research shows these glass-walled algae glide through frozen channels at record-breaking subzero temperatures, ...

Why Alaska’s Salmon Streams Are Suddenly Bleeding Orange

Sep. 18, 2025 — Warming Arctic permafrost is unlocking toxic metals, turning Alaska’s once-clear rivers into orange, acid-laced streams. The shift, eerily similar to mine pollution but entirely natural, threatens ...

The Ocean’s Most Abundant Microbe Is Near Its Breaking Point

Sep. 9, 2025 — Tiny ocean microbes called Prochlorococcus, once thought to be climate survivors, may struggle as seas warm. These cyanobacteria drive 5% of Earth’s photosynthesis and underpin much of the marine ...

Antarctica’s Frozen Heart Is Warming Fast, and Models Missed It

Sep. 9, 2025 — New research has revealed that East Antarctica’s vast and icy interior is heating up faster than its coasts, fueled by warm air carried from the Southern Indian Ocean. Using 30 years of weather ...

Scientists Made Plastic That Eats Carbon

Sep. 5, 2025 — A team of chemists has discovered how to transform PET plastic waste into BAETA, a material that captures CO2 with remarkable efficiency. Instead of ending up as microplastics in the environment, ...

Oceans Could Reach a Dangerous Tipping Point by 2050

Sep. 5, 2025 — UC Santa Barbara researchers project that human impacts on oceans will double by 2050, with warming seas and fisheries collapse leading the charge. The tropics and poles face the fastest changes, and ...

Even the Toughest Corals Are Shrinking in Warming Seas

Sep. 5, 2025 — Scientists found that Red Sea corals can endure warming seas but grow much smaller and weaken under long-term heat stress. Though recovery is possible in cooler months, rising global temperatures may ...

Earth’s Inner Core Exists Only Because of Carbon

Sep. 4, 2025 — New research reveals that carbon made it possible for Earth’s molten core to freeze into a solid heart, stabilizing the magnetic field that protects our planet. Without it, Earth’s deep interior ...

A Simple Metal Could Solve the World’s Plastic Recycling Problem

Sep. 3, 2025 — Scientists at Northwestern University have developed a groundbreaking nickel-based catalyst that could transform the way the world recycles plastic. Instead of requiring tedious sorting, the catalyst ...

Central Asia’s Last Stable Glaciers Just Started to Collapse

Sep. 3, 2025 — Snowfall shortages are now destabilizing some of the world’s last resilient glaciers, as shown by a new study in Tajikistan’s Pamir Mountains. Using a monitoring station on Kyzylsu Glacier, ...

Rapid Rocket Growth Raises Alarm Over Earth’s Fragile Ozone Layer

Sep. 15, 2025 — The booming space industry has filled the skies with rockets and satellites, but this rapid expansion comes with a hidden danger: slowing the recovery of the ozone layer. Rocket launches and burning ...

Scientists Fear the Atlantic’s Great Ocean Conveyor Could Shut Down

Sep. 1, 2025 — A new study projects that the Atlantic Meridional Overturning Circulation (AMOC)—the system of currents that includes the Gulf Stream—could shut down after 2100 under high-emission scenarios. ...

A Monster Seaweed Bloom Is Taking Over the Atlantic

Sep. 1, 2025 — Sargassum has escaped the Sargasso Sea and exploded across the Atlantic, forming the massive Great Atlantic Sargassum Belt. Fueled by nutrient runoff, Amazon outflows, and climate events, these ...

Scientists Just Cracked a 60-Million-Year-Old Volcanic Mystery

Sep. 7, 2025 — Cambridge scientists discovered that thin, weak zones in Earth’s plates helped spread Iceland’s mantle plume across the North Atlantic, explaining why volcanic activity once spanned thousands of ...

The Ancient Oxygen Flood That Forever Changed Life in the Oceans

Aug. 27, 2025 — Ancient forests may have fueled a deep-sea oxygen boost nearly 390 million years ago, unlocking evolutionary opportunities for jawed fish and larger marine animals. New isotopic evidence shows that ...

Satellites Confirm 1990s Sea-Level Predictions Were Shockingly Accurate

Sep. 6, 2025 — Satellite data reveals sea-level rise has unfolded almost exactly as predicted by 1990s climate models, with one key underestimation: melting ice sheets. Researchers stress the importance of refining ...

Geologists Got It Wrong: Rivers Didn’t Need Plants to Meander

Aug. 31, 2025 — Stanford researchers reveal meandering rivers existed long before plants, overturning textbook geology. Their findings suggest carbon-rich floodplains shaped climate for billions of ...

Ozone Recovery Could Trigger 40% More Global Warming Than Predicted

Aug. 22, 2025 — As the ozone layer recovers, it’s also intensifying global warming. Researchers predict that by 2050, ozone will rank just behind carbon dioxide as a driver of heating, offsetting many of the ...

This Is Where Tree Planting Has the Biggest Climate Impact

Aug. 21, 2025 — Planting more trees can help cool the planet and reduce fire risk—but where they are planted matters. According to UC Riverside researchers, tropical regions provide the most powerful climate ...