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Story summary
- Atmospheric carbon dioxide rose from 360.67 to 426.68 parts per million, surpassing the 350 ppm 'safe' limit.
- In 1995, the first UN climate change conference in Berlin saw German Chancellor Helmut Kohl call for reducing greenhouse gases, while Angela Merkel, then environment minister, chaired the event.
- The author reflects on three decades of climate discussions and presents this column as a final commentary on the urgent climate crisis.
