Asteroid dust caused 15-year winter that killed dinosaurs: Study
Around 66 million years ago, an asteroid bigger than Mount Everest smashed into Earth, killing off three quarters of all life on the planet—including the dinosaurs.
Around 66 million years ago, an asteroid bigger than Mount Everest smashed into Earth, killing off three quarters of all life on the planet—including the dinosaurs.
Earth Sciences
Oct 30, 2023
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More than half of Earth's rivers freeze over every year. These frozen rivers support important transportation networks for communities and industries located at high latitudes. Ice cover also regulates the amount of greenhouse ...
Environment
Jan 1, 2020
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Over the last 540 million years, the Earth has weathered three major ice ages—periods during which global temperatures plummeted, producing extensive ice sheets and glaciers that have stretched beyond the polar caps.
Earth Sciences
Mar 14, 2019
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Sea ice cover in Antarctica shrank rapidly to a record low in late 2016 and has remained well below average. But what's behind this dramatic melting and low ice cover since?
Earth Sciences
Jan 17, 2019
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146
Crop losses for critical food grains will increase substantially as the climate warms, as rising temperatures increase the metabolic rate and population growth of insect pests, according to new research.
Environment
Aug 30, 2018
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While humanity's efforts to curb planet-warming emissions are nowhere near enough to avoid heating the world to catastrophic levels, tentative improvements show that progress is possible.
Environment
Nov 24, 2023
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68
Forests and other land ecosystems today absorb 30 percent of humanity's CO2 pollution, but rapid global warming could transform these natural 'sinks' into carbon 'sources' within a few decades, opening another daunting front ...
Environment
Jan 14, 2021
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210
An abrupt shutdown of Atlantic Ocean currents that could put large parts of Europe in a deep freeze is looking a bit more likely and closer than before as a new complex computer simulation finds a "cliff-like" tipping point ...
Earth Sciences
Feb 10, 2024
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This summer's worldwide heatwave makes 2018 a particularly hot year. And the next few years will be similar, according to a study led by Florian Sévellec, a CNRS researcher at the Laboratory for Ocean Physics and Remote ...
Environment
Aug 14, 2018
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The supply of dense Antarctic water from the bottom of the ocean to the Atlantic has declined in recent years. However, a new study explains for the first time how since 2014 this has stabilized and slightly recovered due ...
Earth Sciences
Sep 3, 2019
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