Our Mission: as our climate changes, ACER supports communities with grass-roots initiatives to plant trees and educate participants in measuring, monitoring and reporting on tree health and growth.

Celebrate 35 Years of ACER in the Community –  Donate Today for Climate’s Sake!

ACER Volunteer Opportunities

Explore our current volunteer opportunities, and complete the short form below to become part of Team ACER!

Opportunities in the Field

  • Go Global: Visit our international forest biodiversity plots in Southern Ontario, and collect annual tree measurement data.
  • Riparian Rangers: Visit our tagged trees in riparian zones across Southern Ontario, and collect annual tree measurement data.
  • Planting for Change: Visit schoolyards around the Golden Horseshoe, and collect annual tree measurement data.
  • Planting for Change: Help us locate new potential Planting for Change sites in Ontario, where ACER staff will train community members to plant, maintain, measure, and monitor the growth of trees over time
  • TreeCaching Trails: Visit our established trails and conduct tree data checkups.

Opportunities at Home

  • Data Entry: Enter, map, and analyze tree measurement data collected in the field.
  • Graphic Design: Use your skills to create graphics for ACER’s social media, program materials, and other communications endeavours.
  • Web Development: Work with us to update our website and streamline content.
  • Marketing: Develop and help deliver marketing content focused on our programs.
  • Social Media: Create digital content for our social media channels, and help us get the word out about ACER.