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Credit: NOAA

Mauna Loa eruption interrupts key record of atmospheric CO2

29 November 2022

The Mauna Loa Observatory has kept a nearly uninterrupted record of atmospheric carbon dioxide for more than 60 years, but a volcanic eruption has cut off power
Ventilation can make schools and offices safe from covid-19 – but how?

Ventilation can make schools and offices safe from covid-19 – but how?

18 August 2021

Maximising airflow in public spaces is crucial to cut covid-19 transmission, but questions remain about what technology to use and how effective it needs to be

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