Record and document the condition of trees in your area. Share observations, collect data for tree protection, and connect with other tree enthusiasts to promote urban and rural greenery.






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Record and document the condition of trees in your area. Share observations, collect data for tree protection, and connect with other tree enthusiasts to promote urban and rural greenery.











Explore the everyday language of North Rhine-Westphalia by answering questions about regional dialects. Listen to how others speak and view analyzed language maps and statistics. Contribute to scientific research on spoken language.