300 year old sponge suggests seas were warming long before coal power and cars were even invented

Life in 1820 was the ultimate “Net Zero” world: literally every flight was grounded and all petrol stations were closed for 80 years yet the world warmed.

https://joannenova.com.au/2024/02/300-year-old-sponge-suggests-seas-were-warming-long-before-coal-power-and-cars-were-even-invented/