The atmosphere is getting better at cleaning itself – but that’s not all good news
- Written by Hinrich Schaefer, Research Scientist Trace Gases, National Institute of Water and Atmospheric Research (NIWA)

Imagine for a moment the atmosphere is a kitchen sink. Wildfires, industry emissions, plants and microbes dump their grimy dishes into it in the form of noxious and planet-heating gases.
The only...
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