By Ayesha Tandon New research shows that lake “stratification periods” – a seasonal separation of water into layers – will last longer in a warmer climate. These longer periods of stratification could have “far-reaching implications” for lake ecosystems, the paper says, and can drive toxic algal blooms, fish die-offs and increased methane emissions. The study, […]
Scientists consider plastic pollution one of the “most pressing environmental and social issues of the 21st century,” but so far, microplastic research has mostly focused on the impact on rivers and oceans. However, a new study from researchers at Cornell and Utah State University highlights the increasing threat of airborne microplastics “spiraling around the globe,” […]
About 66 million years ago, a 12-km asteroid struck Earth. The massive heat and impact likely triggered tidal waves and clouded the skies with ash, The Washington Post reported. Scientists estimate that up to 75 percent of all life on land went extinct, including the dinosaurs. The space rock that triggered that mass extinction event […]
A new study of Greenland‘s glacial rivers has important implications for how scientists might model future ice melt and subsequent sea level rise. Previously, researchers thought they could measure ice melt simply by looking at the amount of meltwater sitting on top of glaciers and in moulins — shafts in the glacier that empty rivers […]
By Sam Baker What really makes this reporter’s stomach churn thinking about climate change? Thawing permafrost. A scenario where it all melts, releasing copious amounts of CO2 and methane (it holds twice as much carbon as the atmosphere holds right now), and there’s no going back. But what’s at the top of the list of […]
By Jenessa Duncombe During some years in the spring, so many jellyfish wash ashore on the beaches of Washington, Oregon, and California that they carpet the sand in thick, gooey mats. The jellyfish Velella velella can pile so high that taken together, they likely equal six and half blue whales’ worth of stuff. Researchers now […]
Antarctica‘s Pine Island Glacier is currently losing more ice than any other glacier in Antarctica, but could it collapse entirely? This has been a matter of debate and concern for scientists. Now, for the first time, researchers have identified the tipping points that would send the glacier into an irreversible retreat and published their findings […]
In a first-of-its-kind study, NASA has managed to achieve something that has so far eluded scientists: provide direct, global observations that fossil fuel emissions are heating the planet. There is already robust evidence that human activity is causing the climate crisis. This conclusion is supported by 97 percent of climate scientists, and has been established […]
By James W. Hurrell, Ambuj D Sagar and Marion Hourdequin A new report from the National Academies of Sciences, Engineering and Medicine tackles a controversial question: Is solar geoengineering – an approach designed to cool Earth by reflecting sunlight back into space or modifying clouds – a potential tool for countering climate change? The report, […]
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