"Bottom trawling in seas globally emits as much carbon as aviation, and in Europe costs society up to €11 billion annually while governments subsidize it with €1·3 billion."

https://www.thelancet.com/journals/lanplh/article/PIIS2542-5...

"A wealth of studies also show that bottom trawling generates significant amounts of CO2 emissions and is fuelled by government subsidies."

https://www.bluemarinefoundation.com/2025/05/07/thebottomlin...