Arctic tundra is now emitting more carbon than it absorbs, US agency saysThe Arctic tundra is shifting from a carbon sink to a carbon source due to increased wildfires and higher temperatures.
Opinion | My 500-Mile Journey Across Alaska's Thawing ArcticWarming temperatures are dramatically affecting the Arctic landscape, leading to increased wildfires and thawing permafrost that releases greenhouse gases.
Arctic tundra is now emitting more carbon than it absorbs, US agency saysThe Arctic tundra is shifting from a carbon sink to a carbon source due to increased wildfires and higher temperatures.
Opinion | My 500-Mile Journey Across Alaska's Thawing ArcticWarming temperatures are dramatically affecting the Arctic landscape, leading to increased wildfires and thawing permafrost that releases greenhouse gases.