In an article that first appeared in Canadian Healthcare Facilities magazine, Kent Waddington, communications director, and Linda Varangu, Executive Director, at the Canadian Coalition for Green Health Care, and Peter Berry, senior policy analyst, and Jaclyn Paterson, environmental health specialist, at Health Canada, examine, in the light of the increasing frequency of extreme weather events, some of the latest thinking on the topic in Canada, and reflect on the initiatives taken by a number of the country's healthcare facilities to prepare for such incidents, and mitigate their impact.