Sentences with phrase «surpassed at an earlier date»
Scientists expected the 400 ppm mark to be surpassed at an earlier date this year — and, indeed, that point came a full two months earlier than last year — and for this year to see
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Scientists expected the 400 ppm mark to be surpassed at an earlier date this year — and, indeed, that point came a full two months earlier than last year — and for this year to see the first monthly carbon dioxide average above 400 ppm.