Any return to ice age conditions could trigger a crisis unmatched in all human history.
Earth is still technically in an ice age and average global temperatures of around 15°C degrees are still much lower than the long-term global average of 16°C to 18°C A global warming scare https://t.co/7hCAG6DpMD
— Peter Clack (@PeterDClack)
Jun 5, 2026
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