THE ALIEN INVASION YOU MUST WORRY ABOUT.

Our rapidly changing world is bringing new types of invasive species that are able to trigger disruption. The world is being invaded by 'alien' species that could cause huge problems, scientists have warned. Our rapidly changing world is bringing new types of invasive species that are able to trigger disruption - potentially including new kinds of diseases that could ravage animals and plants.
"Our study found that environmental change, new biotechnology...are all likely to result in new invasions that we should all be worried about", said David Aldridge from Cambridge University, which hosted a meeting of researchers from four continents to try and combat the concern. 
Many invasive speeches have already brought havoc to some regions. Those include Japanese knotweed, for instance, which can destroy buildings. Now, scientists fear that among other invasions, disease-causing bacteria and other life could spread into new regions and attach themselves to new hosts. As they do so, they might undergo changes that cause them to turn from innocuous to dangerous. That is already happening to some animal species - such as a disease that is wasting sea stars in perhaps the worst wild-life die-off ever rooted.
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