With interactive, family-friendly events:

Each April, the City of Markham marks Earth Month with a series of initiatives that highlight its commitment to environmental conservation, sustainability, and community wellbeing.

Residents are invited to take part in this year’s celebrations, which reflect Markham’s leadership in sustainability through its Greenprint Community Sustainability Plan—focused on fostering cultural vibrancy, social wellbeing, and economic vitality.

Throughout the month, the City and its partners will host a variety of events for all ages, offering hands-on, educational experiences that showcase local environmental efforts and inspire community action.

Here’s what’s planned for Earth Month 2026:

Home Efficiency Retrofit Orientation (HERO) Virtual Workshop (Free)
Learn how to make your home more energy-efficient with this informative virtual session. The workshop will cover ways to reduce energy costs, improve comfort, and lower greenhouse gas emissions. Participants will also hear about available rebates from a Certified Energy Manager. Registration opens soon.
Details: Tuesday, April 21, 2026 | 6–8 p.m. | Virtual event

Markham’s Youth Science Exhibition
Explore innovative projects by local students passionate about environmental science, engineering, and climate solutions. This exhibition highlights creative approaches to tackling real-world environmental challenges.
Details: Saturday, April 25, 2026 | 10 a.m.–2 p.m.

Milliken Mills Library
7600 Kennedy Road
Markham, Ontario, L3R 9S5 

Zine Workshop: Envisioning a Sustainable Markham
Take part in a creative, hands-on workshop where art and storytelling meet sustainability. Participants will use collage and design to imagine a more inclusive and environmentally conscious future for Markham. Registration required.
Details: Saturday, April 25, 2026 | 10 a.m.–2 p.m.

Milliken Mills Library
7600 Kennedy Road
Markham, Ontario, L3R 9S5

Curbside Giveaway Day
Give gently used items a second life by placing them at the curb for others to take—free of charge. Clearly label all items as “Free” and help promote reuse within the community.
Details: Saturday, April 25, 2026 | 7 a.m.–7 p.m. | Citywide

Sustainability Weekend at Markham Museum
Discover how sustainable practices from the past continue to inspire modern living. Enjoy a guided tour featuring the Honey House (pollinators), Maxwell Cabin (historic food preservation), and the heritage orchard (sustainable agriculture in action).
Details:

• Saturday, April 25, 2026 | 12:30–3 p.m.
• Sunday, April 26, 2026 | 12:30–3 p.m.
• Location: Markham Museum
  9350, Markham Road, 
  Markham, Ontario, L3P 3J3

Sapling Tree Giveaway
Learn about Markham’s Tree Preservation By-law and pick up a free sapling to plant at home. Available while supplies last.
Details: Date, time, and location to be announced

Join the City of Markham this Earth Month and be part of building a greener, more sustainable future—one action at a time.