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To protect #Toronto 's tree canopy from the Emerald ash borer, could we introduce certain ant species? http://t.co/ZVyWYtnR @leaf
To protect #Toronto 's tree canopy from the Emerald ash borer, could we introduce certain ant species? http://t.co/ZVyWYtnR @leaf
To protect #Toronto 's tree canopy from the Emerald ash borer, we can introduce ants http://t.co/ZVyWYtnR @LEAF