Telegraph: Rising global temperatures are fuelling the growth of invasive foreign plants and animals in Britain and putting hundreds of native species at risk, the Government has warned. The spread of these non indigenous species is considered the second biggest threat to British wildlife – after habitat loss – and costs the economy between £2 and £6 billion a year. Iconic native plants and animals, such as bluebells, red squirrels and water voles, are all under threat. The problem …