To gardeners, Japanese knotweed and other foreign invaders are a menace.

But an environmental expert says that when we talk about non-native species in such terms, we’re just being ‘xenophobic’.

Writer Fred Pearce says the effects of the knotweed – which strangles other plants – and invasive creatures such as grey squirrels and foreign beavers are being exaggerated.

Mr Pearce is set to give a talk at the Edinburgh Science Festival arguing that foreign animals are being ‘demonised’. Grey squirrels, introduced to Britain in the 19th century, have wiped out large numbers of native red squirrels because they carry a pox which is harmless to them but deadly to reds.

Read more at American Action News

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