EcoSource – Earth Day

On April 21, 2007 ACER celebrated Earth Day by holding a display at Square One Mississauga in an EcoSource hosted event. We had an enjoyable time and we hope those that viewed our display were motivated to think green.

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December 2021 Newsletter

You can download our latest newsletter in PDF format here: From Our President – Alice Casselman It has been a challenging yet wonderful year! What

Ontario’s Own Heritage Red Oak

Written by ACER executive board member Elizabeth MacLean, with a tree planting guide by ACER founding president Alice Casselman. Ontario has its own celebrated oak

Forge Ahead with TreeTrackers.ca

Written by ACER executive board member Elizabeth MacLean. “The sky’s the limit,” said Fazal Khan in an August on-line preview presentation of the TreeTrackers.ca website to ACER