Overall Sustainability Leadership Award

mcCallumSather is excited to share we were the recipient of the Overall Sustainable Leadership Award from Sustainable Leadership in Hamilton for 2020.

Joanne McCallum and Greg Sather founded mcCallumSather 25 years ago on the principles of sustainable design and have remain dedicated to this…

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Climate Action

Around the world, COVID-19 and its implications have changed our entire way of life in a matter of months.

As we aim to flatten the curve with physically distancing measures, global carbon emissions from the fossil fuel industry could fall by a record

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Social Sustainability

Sustainability has always been at the forefront of our firm’s mission, but this does not just end at environmental sustainability.

In all we do, we remain relentlessly focused on the triple bottom line of social, economic and environmental sustainability. We believe that each of these focuses…

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