“Here Comes the Sun” author and activist Bill McKibben on his newfound optimism, harnessing energy from heaven vs. energy from hell and how there are no (good) songs written about fracking.Interview by Steve Curwood, Living on EarthFrom our collaborating partner “Living on Earth,” public radio’s environmental news magazine, an interview by host Steve Curwood with author and climate activist Bill McKibben.
Observations from the Little Bunker
Last updated: December 15, 2025 10:10 PM
Atmospheric CO₂
427.2 ppm
+17.7
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