Rapid Arctic environmental change affects the entire Earth system as thawing permafrost
ecosystems release greenhouse gases to the atmosphere. Understanding how much …

Biogeomorphic wetlands cover 1% of Earth's surface but store 20% of ecosystem organic
carbon. This disproportional share is fueled by high carbon sequestration rates and effective …

It is unequivocal that the increases in atmospheric carbon dioxide (CO2), methane (CH4)
and nitrous oxide (N2O) since the pre-industrial period are caused by human activities. The …

This chapter assesses the state of physical, biological and social knowledge concerning the
Arctic and Antarctic ocean and cryosphere, how they are affected by climate change, and …

Executive Summary The Agriculture, Forestry and Other Land Use1 (AFOLU) sector
encompasses managed ecosystems and offers significant mitigation opportunities while …

Northern peatlands have accumulated large stocks of organic carbon (C) and nitrogen (N),
but their spatial distribution and vulnerability to climate warming remain uncertain. Here, we …

Soil carbon sequestration and avoidable emissions through peatland restoration are both
strategies to tackle climate change. Here we compare their potential and environmental …

The formation, growth and drainage of lakes in Arctic and boreal lowland permafrost regions
influence landscape and ecosystem processes. These lake and drained lake basin (L-DLB) …

Limiting climate warming to< 2° C requires increased mitigation efforts, including land
stewardship, whose potential in the United States is poorly understood. We quantified the …

Northern peatlands are an integral part of the global carbon cycle—a strong sink of
atmospheric carbon dioxide and source of methane. Increasing anthropogenic carbon …