Reuters(@Reuters):In the 1960s, the largest heat wave covered about 6% of the planet over 46 days. This decade, the largest swept across nearly 85% of the globe during its 367-day lifetime. Reuters introduces a new way to understand these supersized heat waves: the heat storm.

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2026.10.20 11:00

In the 1960s, the largest heat wave covered about 6% of the planet over 46 days. This decade, the largest swept across nearly 85% of the globe during its 367-day lifetime. Reuters introduces a new way to understand these supersized heat waves: the heat storm.