129K views · 337 reactions | On #CallToEarth Day, we're spotlighting the red imported fire ant — one of the world's most invasive species — newly discovered for the first time in Europe. From gardens to orchards to farmland, these ants threaten the green spaces people depend on. Scientists are in a race to stop the spread before it's too late. Read more: https://cnn.it/4ouj6NQ | CNN International | Facebook