Polar bear © John Reaume
Toronto, September 5, 2025 | Traditional territories of the Mississaugas of the Credit, the Anishinaabeg, the Haudenosaunee, and the Wendat – Published quarterly by Ontario Nature, ON Nature brings readers closer to nature. The magazine is an authoritative source of environmental content that inspires and informs.
In the current issue, read about:
Bearing Up to Climate Change
The distinct population of polar bears in Hudson Bay has dropped by half in less than three decades. Is there hope for Canada’s largest carnivore?
By Carol Toller
Wilderness CSI
Advances in the testing of genetic samples in the environment are not only helping researchers estimate wildlife populations and monitor invasive species but may also curb the extinction crisis.
By Conor Mihell
Seeds of a Tallgrass Renaissance
Once-abundant prairies and other tallgrass ecosystems are today limited to isolated patches across Ontario. Growers and naturalists are working to restore that nearly lost heritage.
By Ray Ford
Last Word
Can black bears survive the extended hunt?
By Judy Malone
Contact
- John Hassell, ON Nature editor
- johnh@ontarionature.org, 416-444-8419 ext. 269.
ON Nature, a nature and environment magazine, is published quarterly by Ontario Nature.
A charity representing more than 30,000 members and supporters, and more than 150 groups across the province, Ontario Nature’s mission is to protect wild species and wild spaces through conservation, education and public engagement.
ON Nature is a member-supported magazine. You can subscribe for just $50 per year and we will mail you a printed version of the magazine. Your subscription will help fund Ontario Nature’s projects to protect wild species and wild spaces. If you’re already a subscriber, thank you!
Advertising Opportunities: Winter 2025 ON NATURE Magazine
The Vanishing Icon
Ontario populations of boreal caribou continue to decline while the government dithers on habitat conservation. Can a recent agreement reverse the decline?
By Conor Mihell
Remembering the Bee Keeper
Sheila Colla was a renowned bee expert and a tireless advocate for conservation. With her recent passing, people who knew her reflect on the life, passions and impact of a beloved scientist.
By Carol Toller
Where Wolves Dare to Tread
A collaboration between a conservancy and a First Nation on monitoring the movements of wolves in the Algoma region highlights the critical importance of habitat — and cultural — connectivity.
By Andrés Jiménez Monge
Last Word
No more pits.
By Anne Bell
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About
Ontario Nature protects wild species and wild spaces through conservation, education and public engagement. A charitable organization, Ontario Nature represents 9,500 members, 130,000 supporters and 150 member groups from across Ontario.