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!
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.
August 8, 2025—Congratulations to Alice Casselman, ACER Founder and President, on being one of four recipients of the 2025 Credit Valley Conservation (CVC) Environmental Awareness
What are wetlands?Wetlands are “lands that are saturated with water long enough to promote wetland or aquatic processes as indicated by poorly drained soils, hydrophytic
Breathe in the Magic of Green! To keep breathing—we breathe around 16 times per minute—we depend on oxygen from TREES! This life-sustaining oxygen is produced