<p>Climate change is melting away winter, but a new documentary summons the magic of the most Canadian of frozen delights: the outdoor skating rink. For Earth Day, we speak with the filmmaker behind <em>Icemakers </em>about why he was driven to share stories about the people who spend hours each winter making ice for their families and communities – a job that’s getting harder with warmer winters. And we meet a Winnipeg man who turns his backyard rinks into a climate change conversation starter.</p>