Support ACER! Your special donation to ACER’s new Climate Action Incentive “Donate Back” fund will help ACER continue to support science-based climate action in our communities.
ACER plants and cares for trees. Donate Today, for Climate’s Sake!
Sept. 26 2025: In honour of National Forest Week, ACER is excited to announce our latest TREEVIA quiz—Canada’s Forests and Climate Change! Test your knowledge
Sept. 24, 2025: Happy National Tree Day! This special day is a day dedicated to celebrating the beauty and benefits of Canada’s trees and forests!
Our 2025 Spring/Summer newsletter is here—download the PDF here today to read all about ACER’s news and activities over the past 6 months! Note: if
On April 30th, 2025, I experienced a little bit of magic. From organized chaos, a baby urban forest—a micro-forest—was born. Right before my eyes. In
Canada is home to some of the most diverse ecosystems in the world, from boreal forests and grasslands to riparian zones and urban green spaces.