According to the forecaster, Earth is 'off-track' to limit global warming to ... taken at Mauna Loa revealed a rise in CO2 of 3.58 parts per million (ppm) in 2024. This far exceeded the Met ...

The concert would have been suspended for improper ventilation reasons if the reading had topped 3,000 ppm, but the figure never reached the limit during the half-day event. CO2, a substance found ...