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This is the highest daily average on record at Mauna Loa, which is the more remarkable since the annual CO₂ maximum is typically reached in May, so even higher values are likely to be reached over the next few weeks.
The image below, adapted from NOAA, shows that the daily mean CO₂ at Mauna Loa on April 26, 2024, was 428.59 ppm, a difference of 4.7 ppm from April 26, 2023, while the weekly difference is 3.9 ppm.
The image below, adapted from NOAA, shows that the annual CO₂ growth at Mauna Loa in 2023 was 3.36 ppm, the highest annual growth on record.
Clouds Tipping Point
The image below illustrates that a polynomial trend (red) follows the recent acceleration in CO₂ concentration in the atmosphere more than a linear trend (blue). Data used are NOAA Mauna Loa weekly average CO₂ data through the week starting on April 21, 2024.
Moreover, the clouds tipping point could be crossed much earlier than 2060 when also taking into account methane. Monthly methane is approaching 2000 parts per billion (ppb) at Mauna Loa, Hawaii, as illustrated by the image below.
Moreover, nitrous oxide is also rising and there are additional elements that could further speed up the rise in CO₂e, as discussed at the Extinction page and this earlier post, which show the potential for a temperature rise of well over 18°C to unfold as early as 2026.
Environmental crimes
The accelerating growth in carbon dioxide indicates that politicians have failed and are failing to take adequate action.
Current laws punish people for the most trivial things, while leaving the largest crime one can imagine unpunished: planetary omnicide!
Climate Emergency Declaration
The situation is dire and the precautionary principle calls for rapid, comprehensive and effective action to reduce the damage and to improve the situation, as described in this 2022 post, where needed in combination with a Climate Emergency Declaration, as discussed at this group.
Links
• NOAA – greenhouse gases at Mauna Loa
• How long do we have?
https://arctic-news.blogspot.com/2019/04/how-long-do-we-have.html
• Blue Ocean Event 2024?
• Potential temperature trends
• Co-extinctions annihilate planetary life during extreme environmental change, by Giovanni Strona and Corey Bradshaw (2018)
https://www.nature.com/articles/s41598-018-35068-1
• CO2 rise is accelerating
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