More than 140 countries have set or are considering net zero emissions targets, mostly for 2050. More than 100 countries have made new pledges including 2035 emissions targets ahead of the Cop30 climate conference in Brazil. But what actually is net zero?► Subscribe to Guardian Australia on YouTubeThe spectacular nonsense of the Coalition’s internal brawl over the 2050 net zero emissions targetLittleproud says the world is ‘re-pivoting’ on net zero commitments – but is that just spin? Continue reading…
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