Out On a Limb: Saving the Urban Tree Canopy

By Erna Buffie

Available May 2026 -

It’s often said that trees are the only form of city infrastructure that actually increase in value and capacity over time. So why have so many North American cities historically underfunded their care and maintenance? And why do we continue to indiscriminately mow down trees – and entire urban forests?

Out On a Limb answers these questions and more, as it explores the secret lives and extraordinary infrastructure benefits of trees in cities, the critical role urban forests can play in increasing climate resiliency, and how grassroots organizations can empower city leaders to invest in the urban trees and forests we love–and need.

Out On a Limb is part of The City Project, a series edited by Emma and Michel Durand-Wood.

Release Date (Canada): May 19, 2026
Release Date (US & UK): May 19, 2026

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An inspiring journey in an unlikely place

Out on a Limb is an inspiring journey to meet some of Erna Buffie’s favourite trees in an unlikely place - Winnipeg’s urban forests. Along...Read More

Caroline Underwood, Executive producer and a wildlife & science filmmaker for The Nature of Things

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An inspiring journey in an unlikely place

Out on a Limb is an inspiring journey to meet some of Erna Buffie’s favourite trees in an unlikely place – Winnipeg’s urban forests. Along the way we discover not only what urban trees need to survive, but just how much we need them to thrive in our cities. A celebration of a tree lover and her journey to save them.

 

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Caroline Underwood, Executive producer and a wildlife & science filmmaker for The Nature of Things

A practical and passionate guide

Out On a Limb is a practical and passionate guide to preserving and growing the urban tree canopy. It is a much-needed clarion call for...Read More

Helen Humphreys, author of Followed By the Lark

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A practical and passionate guide

Out On a Limb is a practical and passionate guide to preserving and growing the urban tree canopy. It is a much-needed clarion call for our ecological future.

 

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Helen Humphreys, author of Followed By the Lark

A fascinating exploration and a needed call to action

Out on a Limb is a fascinating exploration into the importance of urban forests and the immense value that trees provide to our lives and...Read More

Dr. Suzanne Simard, Professor of Forest Ecology, Lead of the Mother Tree Project & Program, and Author of Finding the Mother Tree and When the Forest Breathes

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A fascinating exploration and a needed call to action

Out on a Limb is a fascinating exploration into the importance of urban forests and the immense value that trees provide to our lives and cities. It is a needed call to action towards an ecologically focused future.

 

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Dr. Suzanne Simard, Professor of Forest Ecology, Lead of the Mother Tree Project & Program, and Author of Finding the Mother Tree and When the Forest Breathes

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