Environmentalism Events in Markham

Check out happening environmentalism events all around Markham, ON

Celebrate Your Mother and Mother Earth at this One-of-a-Kind Local Market

 Sat, 09 May at 01:00 pm Markham Museum (Transportation Hall) Free

MILNE DAM CONSERVATION PARK, PLANTING EVENT, SUNDAY MAY 3, 2026, 1pm-4pm

 Sun, 03 May at 01:00 pm Milne Dam Conservation Park Free

MILNE DAM CONSERVATION PARK, PLANTING EVENT, SUNDAY MAY 3, 2026, 9am-12pm

 Sun, 03 May at 09:00 am Milne Dam Conservation Park Free

Annual Tree Planting with 10,000 Trees

 Sat, 02 May at 08:00 am Milne Dam Conservation Park

Earth Month and World Migratory Bird Day- Guided Bird Walk

 Sat, 25 Apr at 10:00 am Bercy (Wycliffe) Park Free

MILNE DAM CONSERVATION PARK, SITE SET UP, SATURDAY, MAY 2 2026 - 8AM -2PM

 Sat, 02 May at 08:00 am Milne Dam Conservation Park Free

Celebrate World Migratory Bird Day and Learn All About Birds

 Sat, 02 May at 01:00 pm Markham Public Library - TBA Free

World Migratory Bird Day

 Sat, 09 May at 10:00 am Swan Lake Park Free

Zine Workshop: Envisioning a Sustainable Markham

 Sat, 25 Apr at 10:00 am Milliken Mills Community Centre Free

Community Group Ride - Rouge Valley Trail

 Wed, 03 Jun at 06:00 pm Markham Cycles Community Bike Hub Free