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Climate-Fueled Extreme Weather Events Are Worsening. We Need Action at COP29

Union of Concerned Scientists

Each storm made history in its own right: Beryl was the earliest Category 5 storm on record in the Atlantic Ocean, Helene broke rainfall records in Georgia, North Carolina, South Carolina, and Tennessee, and destroyed tens of mountain communities, and Milton was the second fastest intensifying storm since 1979.

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Why Climate Scientists Are Sounding the Alarm on the Ocean Circulation System AMOC

Union of Concerned Scientists

Last month, 44 climate scientists from 15 countries wrote an open letter to the Nordic Council of Ministers highlighting the risk of a potential collapse of the Atlantic Meridional Overturning Circulation (AMOC), a critical ocean current system in the Atlantic Ocean. But what exactly would cause the AMOC to collapse?

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The unconventional scientist who predicted that rising carbon dioxide levels would change the climate

Physics World

With the United Nations Climate Change Conference (COP26) coming up next month, it is strange to think that less than 100 years ago global warming was not widely accepted, even among experts. Callendar’s 1938 paper “The artificial production of carbon dioxide and its influence on temperature” ( Q. 139 1961 ).

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Science denial is still an issue ahead of COP28

Real Climate

The only region of cooling is the northern Atlantic, where climate models have long predicted just that due to a slowing of the Atlantic Ocean overturning circulation. The heating of the global ocean has been going on at a steady rate of nine zeta Joules per year for decades , which is 15 times the worldwide primary energy consumption.

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A Nobel pursuit

Real Climate

In this, he is in violent agreement with Isaac Held, his colleague at GFDL, and indeed most climate scientists. Manabe’s subsequent work led to the development of the GFDL GCM, initially just including the atmosphere, but eventually with an ocean, and then the transient results shown in Manabe and Stouffer (1993).

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More frequent El Niño events predicted by 2040

A Greener Life

The El Niño–Southern Oscillation ( ENSO ) is one of the most significant, but variable, climate patterns in the world. This tropical Pacific Ocean phenomenon affects weather in South America, Australia, Asia, and beyond. Researchers are also studying how ENSO will be affected by climate change.

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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

There is no doubt that we have changed Earth’s climate through our activities on a broad range of aspects that includes consequences for the atmosphere, the oceans, snow, ice, Earth’s fauna and ecosystems. The cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air.