Latest News for: ppm records

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QIMC Reports Significant Concentrations Exceeding 13,000 ppm (1.3%) Hydrogen at St-Bruno-de-Guigues; Expands Strategic Land Portfolio ...

Resource World 27 Mar 2025
These results, achieved at sub-zero temperatures, represent a nearly 100% increase from previous record measurements (7,000 PPM H2 at 50m press releases on January 21, 2025) and solidify QIMC’s ...
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IEA: Natural gas emissions rose by around 2.5% in 2024

SAFETY4SEA 24 Mar 2025
Energy sector carbon emissions reached a new record in 2024 ... This rise contributed to record atmospheric CO2 concentrations of 422.5 ppm in 2024, around 3 ppm higher than 2023 and 50% higher than pre-industrial levels.
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