General
Climate change pushed ocean temperatures to record high in 2020, study finds
The world’s oceans absorbed 20 sextillion joules of heat due to climate change in 2020 and warmed to record levels, a study has found.
Key points:
- Last year the world’s oceans absorbed 20 zettajoules of heat
- Higher ocean temperatures can lead to an increase in extreme weather
- Seas are warming at twice the global average in Australia’s south-east
That quantity — expressed numerically as 20,000,000,000,000,000,000,000 joules — is equivalent to the energy from 10 Hiroshima atomic bombs being released every second of the year.
Report co-author Kevin Trenberth, from the US National Center for Atmospheric Research, said oceans absorbed more than 90 per cent of the solar energy trapped by greenhouse gases.
“There’s a tremendous amount of energy…
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