As a massive heat dome lingered over the Pacific Northwest three years ago, swaths of North America simmered — and then burned. Wildfires charred more than 18.5 million acres across the continent, with the most land burned in Canada and California. A new study has revealed the extent to which human-caused climate change intensified the extraordinary event, with researchers theorizing the heat dome was 34% larger and lasted nearly 60% longer than it would have in the absence of global warming.... Read this story
