What's the interest rate on this account? where can i buy nexium 40 mg Non-profit group Tree Canada donated 10 litres of TreeAzin, an insecticide made from the Indian Neem tree, to the National Capital Commission, which runs the park. The donation will help protect some of the park’s trees from the Emerald Ash Borer, an insect that has been ravaging ash trees in Canada since 2009.