Its Invasive Species week! There are approximately 2000 non-native species in the UK, but only 10-15% of these are invasive, meaning they have serious harmful impacts on native species, the economy and sometimes human health.
Invasive species can choke waterways, contribute to increasing flood risk, and carry diseases that damage native plants and animals. They are also estimated to cost the UK economy over £1.8billion each year.
Find out more about non native invasive species from the Non Native Species Secretariat.