About this episode
For decades, climate scientists have been tracking a curious phenomenon. Carbon dioxide levels in the atmosphere are steadily increasing overall but they also rise and fall in an annual rhythm — like the planet is breathing.
Each spring, in the southern hemisphere, carbon dioxide levels start to plateau or maybe even drop slightly before shooting up again after summer.
So what's driving these seasonal changes?
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Featuring:
- Nick Deutscher, atmospheric chemist at the University of Wollongong
This episode of Lab Notes was produced on the lands of the Wurundjeri and Menang Noongar people.
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