This week, at the Collingwood Health Centre , the number of people coming to be tested nearly tripled. We find out more from Dr. Harry O'Halloran the clinical lead for the South Georgian Bay Covid Assessment Centre ; Ian Mosby is one of the authors of Uncertain Harvest: The Future of Food on a Warming Planet. He talks about how our food chain could be threatened by climate change; Our Haydn Watters profiles some other front line workers: security guards; Doug Earle is the head of Fighting Blindness Canada which funds research. He tells us about their Screens Off For Sight challenge; Carolyn Hyslop of the Canadian Canoe Museum tells us how its future site on property next to the Peterborough Lift Lock was found to be contaminated with an industrial solvent; Asparagus is growing like weeds, now. We find out more from farmer Maurice Gervais.