World’s feral pigs produce as much CO2 as 1.1m cars each year, study finds

Researchers estimate the releases 4.9m metric tonnes of greenhouse gas annually by uprooting soil

The climate impact of wild pigs around the world is equivalent to the greenhouse gas emissions of 1.1m cars annually, according to new research.

Modelling by an international team of researchers estimates that feral pigs release 4.9m metric tonnes of carbon dioxide each year globally by uprooting soil.

Related: Florida’s feral hogs: a pervasive pest – but a profitable one for some

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