Proceedings of the National Academy of Sciences, Volume 122, Issue 52, December 2025. SignificanceRaindrops do not just splash—they can roll, gather, and grow. While erosion is often thought to begin and end the moment a raindrop hits the ground, we found that the story continues: On sloped, dry soil, raindrops can roll downhill like tiny …
Observations from the Little Bunker
Last updated: December 31, 2025 06:16 PM
Atmospheric CO₂
427.9 ppm
+18.1
ppm/year
Atmospheric CH₄
1930.95 ppb
+-3.5
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year