Go behind the scenes with executive editor Vernon Loeb and climate science reporter Bob Berwyn as they explain the key issues setting the agenda at this year’s U.N. climate change conference.By Bob BerwynCOP30 is underway in Belém, Brazil, where nearly 200 countries have gathered for high-stakes global climate negotiations.
Observations from the Little Bunker
Last updated: November 30, 2025 04:25 AM
Atmospheric CO₂
426.8 ppm
+18.1
ppm/year
Atmospheric CH₄
1927.61 ppb
+2.73
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year