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![Image - Ever wondered what the CO2 levels of Earth is? Or maybe even the current sea level or average global temperat...](/members/2/images/normal/1316180257.jpg)
Ever wondered what the CO2 levels of Earth is? Or maybe even the current sea level or average global temperatue? Nasa.gov charts this out @ Evidence | Facts – Climate Change: Vital Signs of the Planet - https://climate.nasa.gov/vital-signs/carbon-dioxide/
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