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Residents can learn new recipes and techniques for controlling ants, mosquitoes and weeds in a safe way. These treatments are nontoxic to humans and use everyday household items. The session meets 6:30-8 p.m., June 17 at the Evanston Ecology Center, 2024 McCormick Blvd. The fee for adults age 18 and up is $15 per person. For information, call 847-448-8256