Record-breaking CO2.

From March 2023 to March 2024, the global average concentration of carbon dioxide increased by 4.7 parts per million (ppm), which is a record-breaking increase in a year, The Guardian reports.

An Ember report finding renewables were 30% of global electricity in 2023 is encouraging climate news this week, but we must also hold this data from Ralph Keeling at Scripps front and center, too.

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Cat Clifford

Senior Science and Economics Correspondent