UN Climate Change
@UNFCCC
Sobering news as delegates meet for #SB2021: Atmospheric CO2 measured at @NOAA’s Mauna Loa observatory peaked in May at a monthly average of 419 parts per million. "The ultimate control knob on atmospheric CO2 is fossil-fuel emissions” - Ralph Keeling. https://t.co/D7mghk3jIK https://t.co/vdFhv273Sa
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Published to Twitter on: 08/06/2021
Archived on: 09/03/2022
Original URL (may no longer be available): https://twitter.com/UNFCCC/status/1402216497448161284