Thawing permafrost in high-altitude mountain ecosystems may be a stealthy, underexplored contributor to atmospheric carbon dioxide emissions, new Â鶹Ãâ·Ñ°æÏÂÔØBoulder research shows. The new findings, published today in the journal Nature Communications, show that alpine tundra in Colorado’s Front Range emits more CO2 than it captures annually, potentially creating a...