This is a news story, published by Quanta Magazine, that relates primarily to Svante Arrhenius news.
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•83% Informative
In 1896 , Svante Arrhenius realized that carbon dioxide (CO2) traps heat in Earth ’s atmosphere.
Every time the CO2 concentration in the atmosphere doubles, Earth 's temperature will rise between 2 and 5 degrees Celsius .
The physical reason why CO2 behaves this way has remained a mystery, until recently.
A team led by Robin Wordsworth of Harvard University figured out why.
A key question was the origin of the logarithmic scaling of the greenhouse effect.
One theory held that the scaling comes from how quickly the temperature drops with altitude.
But in 2022 , a team of researchers used a simple model to prove that the scale comes from the shape of carbon dioxide’s absorption “spectrum” The shape of that spectrum is essential.
Joanna Haigh , an atmospheric physicist and emeritus professor at Imperial College London , agreed, saying the paper adds rhetorical power to the case for climate change by showing that it is “based on fundamental quantum mechanical concepts and established physics.” This January , NOAA ’s Global Monitoring Laboratory reported that the concentration of CO2 in the atmosphere has risen from its preindustrial level of 280 parts per million to a record high 419.3 parts per million as of 2023 , triggering an estimated 1 degree Celsius of warming so far..
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