So many trees burned during Canada’s historic wildfire season last year that the forest emitted more carbon than most countries’ fossil fuel emissions for 2022, according to research published Wednesday. 

“Only China, the U.S. and India release more on an annual basis than we saw from these fires,” said Brendan Byrne, a carbon cycle scientist at NASA’s Jet Propulsion Laboratory in California and the lead author of the new study. “These fire emissions were unprecedented in the…