Brussels, 29/02/2012 (Agence Europe) - How can invasive species - non-native animal or vegetable species, such as the Asian tiger mosquito, which spreads dengue fever, or Caulerpa seaweed - currently proliferating and causing considerable damage to ecosystems and biodiversity, and to public health, be fought more effectively? The European Commission has a few ideas, but wishes to gather as many points of view as it can on the subject before proposing measures, particularly legislative ones....