Blue rings visible in one of the tree samples. (Pawel Matulewski/Liliana Siekacz)A simple blue stain may unlock trees’ memories of cold summers and volcanic winters, offering scientists a precise new tool to reconstruct ancient climates through timber anatomy.By combining the biological stains safranin and astra blue, researchers can highlight areas with low lignin, a compound...
Credit: PixabayKeeping global warming under 2°C—the fallback goal of the Paris Agreement—is now "impossible," according to a controversial new study by prominent climatologist James Hansen and his team. Published in Environment: Science and Policy for Sustainable Development, the paper argues that Earth's climate is more sensitive to greenhouse gas emissions than previously thought.Adding to...
Sea surface temperature anomalies for 27 January 2025. The deeper the warm colors, the more anomalously high the sea temperature is. (NOAA)The sharp rise in global temperatures since 2023 has fueled relentless disasters worldwide, from the still-burning LA fires to the deadly Valencia floods, leaving scientists scrambling for answers.New ocean data suggests a key culprit:...
Credit: PixabaySince 1979, the Arctic has warmed almost four times faster than the global average. Svalbard, an archipelago off Greenland's northeast coast, is experiencing climate change at an even faster rate, warming up to seven times quicker than the rest of the planet.More than half of Svalbard is covered by glaciers, and if they...
Credit: PixabayFirefighters tackling the devastating wildfires that swept through the Los Angeles area in January 2025 faced challenges due to limited freshwater supplies.When conditions allow, experienced pilots operating aircraft known as Super Scoopers collect 1,500 gallons of seawater at a time, delivering it with pinpoint accuracy to combat the flames.Using seawater to fight fires...
Credit: DepositphotosWaves rippling from Earth's core provide valuable clues about its composition and the distribution of its materials.Researchers from ETH Zurich and Caltech have used seismic waves to uncover unexpected chunks of Earth's plates in surprising locations. For over a century, geologists have mapped Earth's interior by analyzing how seismic signals travel at different...
Credit: DepositphotosThe wildfires in the Los Angeles area have destroyed thousands of structures, many of which were homes, and firefighters are still working to control the infernos. Parts of Pacific Palisades, Altadena, Pasadena, and other California communities are now left unrecognizable.As evacuation orders are lifted, residents returning to their homes should prioritize ensuring access...
Flames and smoke from the Palisades Fire on 9 January 2025. Credit: PixabayThe year 2024 set a new global record as the warmest on record, marking the first calendar year where global temperatures exceeded 1.5°C above pre-industrial levels.The announcement was made on Friday by the Copernicus Climate Change Service, the European Union's Earth observation...
Credit: PixabayHurricane-force Santa Ana winds roared down the mountains near Los Angeles on January 7, 2025, driving wildfires into multiple neighborhoods and creating a harrowing spectacle.By January 9, thousands of homes and buildings, including multiple schools, had been destroyed, and at least five lives were lost. Authorities called for the evacuation of over 180,000...
Firefighters battle fires razing beachfront homes along Pacific Coast Highway in Malibu in the Palisades Fire. Credit: PixabayBy the next morning, flames had consumed 2,925 acres of the Pacific Palisades in what is being called Southern California's worst wildfire since 2011.Three additional fires have erupted in the region, including the Eaton Fire, which has...
