Climate crisis: CO2 levels rise to highest point since evolution of humans - The Independent
- Climate crisis: CO2 levels rise to highest point since evolution of humans The Independent
- CO2 levels at record high for first time in human existence Metro.co.uk
- Carbon dioxide in Earth's atmosphere has now hit the highest levels in all of human history Daily Mail
- Carbon Dioxide Soars to Record-Breaking Levels Not Seen in 800,000 Years Live Science
- Carbon dioxide levels hit historic high, World News & Top Stories The Straits Times
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