150 Million Hiroshima Bombs

That's a visual metaphor for the amount of heat energy the world's oceans have taken up.
In joules that equals 19.67 x 10²² or 19,670,000,000,000,000,000,000,000. Nearly 20 septillion joules.
More > https://www.dailymail.co.uk/sciencet...ima-bombs.html

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