Global CO2 concentrations reached record high in March, says US government experts

Jessica Shankleman
clock • 2 min read

NOAA data shows March surpassed 400 parts per million for the first time since records began

The monthly global concentration of carbon dioxide in the atmosphere - the primary driver of recent climate change - has surpassed 400 parts per million (ppm) for the first time in recorded history...

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Jessica Shankleman
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