Foreboding environmental milestones abounded again this year in the Arctic, where experts say dramatic climate shifts are fundamentally altering the ecosystem and how it operates. One recent turning ...

Green summer tundra and the rolling Mulgrave Hills in northwestern Alaska's Cape Krusenstern National Monument are seen on July 11, 2011. The Mulgrave Hills are the farthest west extension of the ...

As Arctic summers warm, Earth's northern landscapes are changing. Using satellite images to track global tundra ecosystems over decades, a team of researchers finds the region has become greener as ...

Zicheng Yu of Lehigh University awarded National Science Foundation grant to study the rapidly changing Arctic and track the dynamics of peatlands as part of one of its 10 'Big Ideas' for scientists ...

Warming temperatures are causing plants across alpine and arctic environments to stay green longer and reproduce earlier, scientists find Across the tundra, warming temperatures are causing plants to ...

Because of the very low nitrate levels found in arctic tundra soil, scientists had assumed that plants in this biome do not use nitrate. But a new study challenges this notion. The study has important ...

From rising oceans to species extinction, climate change is affecting our world in numerous ways. Now, an international team of researchers has revealed the wide-ranging impact that the changing ...

Temperatures are increasing in the Arctic at more than double that of the global average. Shrubs are getting bigger. Plant populations are changing. Animals are changing their diets. We know this ...

As Arctic summers warm, Earth's northern landscapes are changing. Using satellite images to track global tundra ecosystems over decades, a new study found the region has become greener, as warmer air ...