Phys.org

Farewell black spruce? How climate change and pests are reshaping North America

More than 80% of North American forests could face greater threats from pests and diseases by midcentury, a University of British Columbia-led study finds. If global emissions continue unchecked, rising temperatures and shifting rainfall patterns could amplify tree pests and diseases across more than 80% of North American forests within decades, jeopardizing critical carbon sinks, air quality and the forestry economy.