Canada's swamps are the secret weapon to fighting climate change, say experts Boggy marshes and wetlands across the country are the secret stars of carbon capture, but most people don’t understand their worth, said Christina Davy, a research scientist for the Ontario Ministry of Natural Resources and Forestry. Social Sharing CBC Radio · Posted: May 12, 2021 4:28 PM ET | Last Updated: May 12 Research scientist Christina Davy, seen here with a snapping turtle, says most people don't realize the importance of bogs, marshes and wetlands when it comes to carbon capture.(Kevin Chan)