Hudson Bay Lowlands are staying greener for longer as temperatures rise.
K. Rühland

Lakes of the Hudson Bay Lowlands, in northeast Canada, are showing evidence of abrupt change in one of the last Arctic regions of the world to have experienced global warming, according to Canadian research published in the Proceedings of the Royal Society B journal. The research team consisting of Kathleen Rühland, John Smol, and Neal Michelutti from Queen’s University Ontario, Andrew Paterson of Ontario’s Ministry of the Environment, and Bill Keller from the Laurentian University Ontario, retrieved sediment cores from lakes around the western shoreline of Hudson Bay and looked for changes in the microscopic algae that settle at the …