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'Unusual' and weak La Niña finally here, NOAA confirmsNOAA has declared that a La Niña is underway. This cool weather event is likely to be shorter and weaker than usual, but will still affect global weather and climate.
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Climate change is the worst. Here's just how bad it got this year.The big news in Earth science this year was all about climate change, with extreme weather, flooding and drought attributed to warming. Scientists also warned about much worse to come if we don't rein in carbon emissions.
planet-earth -
'Mega' El Niño may have fueled Earth's biggest mass extinctionVolcanoes spewing carbon dioxide 250 million years ago heated the climate so much that extreme El Niño events became the norm, pushing most life on Earth past its limits.
planet-earth -
Large patch of the Atlantic Ocean near the equator has been cooling at record speeds — and scientists can't figure out whyScientists are trying to decipher what drove the recent dramatic cooling of the tropical Atlantic, but so far few clues have emerged. "We are still scratching our heads as to what's actually happening," the researchers said.
climate-change -
There's a 2nd El Niño — and scientists just figured out how it worksA new simulation shows that an El Niño-like climate pattern begins near New Zealand and Australia, and can trigger temperature changes across the Southern Hemisphere.
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All El Niños will be extreme if climate change isn't slowed, study suggestsIn a warmer world, every El Niño could look like today's most extreme events.
planet-earth -
'Uncharted territory': El Niño to flip to La Niña in what could be the hottest year on recordA quick flip from El Niño to La Niña is coming soon, but what does that mean for the U.S.?
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Polar vortex is 'spinning backwards' above Arctic after major reversal eventEarlier this month, a sudden atmospheric warming event caused the Arctic's polar vortex to reverse its trajectory. The swirling ring of cold air is now spinning in the wrong direction, which has triggered a record-breaking "ozone spike" and could impact global weather patterns.
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Experts are certain 2023 will be 'the warmest year in recorded history'After the warmest autumn ever, researchers are confident 2023 will be the hottest year on record before it has even finished.
climate-change
