The year 2025 was the warmest on record for the heat content of the world’s oceans. Ocean heat content (OHC) increased by around 500 zettajoules – billion trillion joules – since the 1940s.
The claim: 'Climate history' graph shows recent temperatures at 'lower end of the historical range' A Jan. 14 Twitter post (direct link, archive link) features a graph labeled "Climate History Over ...