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    Question

    What was the reported CO₂ concentration in 2024, as

    per the UN and WMO?
    A 408 ppm Correct Answer Incorrect Answer
    B 412 ppm Correct Answer Incorrect Answer
    C 418 ppm Correct Answer Incorrect Answer
    D 420 ppm Correct Answer Incorrect Answer
    E 424 ppm Correct Answer Incorrect Answer

    Solution

    In 2024, the UN and WMO reported a record CO₂ concentration of 424 ppm, marking the highest level since monitoring began. This represents the largest annual rise (3.5 ppm) since 1957 and indicates an accelerating climate crisis due to fossil fuel use, wildfires, and declining carbon sink efficiency.

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