Study finds cities with proactive, risk-tolerant governing styles most likely to have ambitious climate strategies
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Updates every hour. Last Updated: 8-Nov-2025 09:11 ET (8-Nov-2025 14:11 GMT/UTC)
In the first and only reconstruction of ocean pH ever carried out, new research from the University of St Andrews and the University of Birmingham has discovered that a rapid acidification of oceans, due to a massive and sudden rise in atmospheric CO2, caused a mass extinction event 201 million years ago.
Scientists from the Marine Biological Association and the University of Plymouth have revisited turn-of-the-century forecasts about the many and varied threats they thought were likely to face the world’s shorelines in 2025. Their new study highlights that many of their forecasts were correct, either in whole or in part, while others haven’t had the impacts that were envisaged at the time. They have also charted some of the other threats to have emerged and/or grown in significance since their original work, with notable examples including global plastic pollution, ocean acidification, extreme storms and weather, and light and noise pollution.
Despite a warming climate, bone-chilling winter cold can grip parts of the U.S.—and this study explains why. Researchers found that two specific patterns in the polar vortex, a swirling mass of cold air high in the stratosphere, steer extreme cold to different regions of the country. One pattern drives Arctic air into the Northwest U.S., the other into the Central and Eastern areas. Since 2015, the Northwest has experienced more of these cold outbreaks, thanks to a shift in stratospheric behavior tied to broader climate cycles. In short: what happens high above the Arctic can shape the winter on your doorstep.