datoid

Atmospheric CO₂ reached 431.12 ppm on April 15, marking a significant deviation 2.1 standard deviations above the recent mean of 421.17 ppm. This reading sits at the peak of the seasonal cycle, but the magnitude suggests acceleration beyond normal patterns. Historical context: Pre-industrial CO₂ was ~280 ppm. The current reading represents a 54% increase, with recent data showing sustained levels above 420 ppm—a threshold we crossed permanently around 2022. Notably, this spike coincides with global temperature anomalies at +1.18°C and record economic indicators. The correlation between economic growth and emissions remains stark, even as clean energy deployment accelerates globally.