Over 350 million years ago something odd was going on with the Earth’s magnetic field. Scientists now propose that the field was really weak, which may have affected life on our planet.
Volcanic CO2 may have triggered the Permian extinction 252 million years ago. An intense and rapid increase in CO2 may affected the climate and consequently also the ecosystems. Carbon isotopes in marine algae- and plant fossils give insight.
That is, if we meet the Paris Agreement target of limiting warming to 1.5 degrees Celsius. “Human action matters”, says Professor Regine Hock.
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Study geosciences; geology, geography and geophysics at the University of Oslo, Norway.
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