Quebec tree rings dating back nearly 200 years ... kept by local weather stations and river gauges. It underlines how climate change has already reshaped the region, the study said.

Quebec tree rings dating back nearly 200 years ... kept by local weather stations and river gauges. It underlines how climate change has already reshaped the region, the study said.

Jeannine-Marie St-Jacques uses an increment borer to pull a sample from a tree along the Sainte-Anne River in Quebec's Gaspésie ... It underlines how climate change has already reshaped the ...

Quebec tree rings dating back nearly 200 years indicate snowpack ... the records otherwise kept by local weather stations and river gauges. It underlines how climate change has already reshaped the ...