Wild boars ‘pose greater climate change risk than a million cars’
The rising number of invasive wild pigs is having a greater impact on the climate than a million cars because the animals unearth carbon trapped in soil, a study has found.
Populations of feral pigs, such as wild boar, are growing in many countries where they are not native but have spread after animals escaped from farms or were illegally released.
There are more than 2,500 in the UK, including in Wiltshire, Devon, Monmouthshire and the Forest of Dean, where 60 were illegally released about 15 years ago and by 2019 had expanded to about 1,200.
Scientists studied the spread of wild pigs across five continents to produce the first assessment of their carbon impact.
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