Alien species

• 24.3.2026 News Living in Riihimäki Environment and nature

  Spanish chipmunk teams are looking for partners for the 2026 season

• 4.11.2025 News Living in Riihimäki Environment and nature

  A record amount of alien waste was accumulated

• 10.10.2025 News Living in Riihimäki Alien species

  6,200 square meters of giant balsam was controlled in Riihimäki using a mobile game

• 15.5.2025 News Living in Riihimäki Alien species

  Participate in the protection of biodiversity with a mobile game

• 7.5.2025 News Living in Riihimäki Volunteering

  Lupine volunteering at the Butterfly Park on May 14th – Welcome to fight against harmful alien species!

• 7.5.2025 News Living in Riihimäki Alien species

  City depot 40 years: welcome to the open day on May 21st

• 22.4.2025 News Living in Riihimäki Environment and nature

  Distribution of pesticide to households to enhance control of Spanish slug begins

• 22.10.2024 News Living in Riihimäki Alien species

  The balance of the Spanish snail control work is 5000 kilos of snails - thanks to those who participated