'Alien' Wildlife in Europe Wreak $16 Billion Damage a Year

By Environment Correspondent Alister DoyleOSLO (Reuters) - Animals and plants brought to Europe from other parts of the world are a bigger-than-expected threat to health and the environment costing at least $16 billion a year, a study said on Thursday.More than 10,000 "alien" species have gained a foothold in Europe, from Asian tiger mosquitoes to North American ragweed, and at least 1,500 are known to be harmful, the European Environment Agency (EEA) said."In many areas, ecosystems are weakened by pollution, climate change and fragmentation. [More]
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