Carbon dioxide hits record high level | TheHill - The Hill
- Carbon dioxide hits record high level | TheHill The Hill
- CO2 in the atmosphere just exceeded 415 parts per million for the first time in human history TechCrunch
- Carbon dioxide levels hit new landmark at 415 ppm, highest in human history USA TODAY
- 'We Don't Know a Planet Like This': CO2 Levels Hit 415 PPM for First Time in 3 Million+ Years Common Dreams
- There is more CO2 in the atmosphere today than any point since the evolution of humans CNN
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