china, climate change, greenhouse gas emissions, nitrogen, permafrost, study

Nitrogen in Permafrost Soils May Exert Great Feedbacks on Climate Changes

What nitrogen is getting up to in permafrost soils may exert great feedback on climate change, which overturns what researchers have long believed, according to a Sino-German joint study. Nitrogen is a constituent part of nitrous oxide (N2O) — an often overlooked greenhouse gas — and there is a vast amount of nitrogen stored in ...

Troy Oakes

Permafrost soil.

A New Source of Global Nitrogen Has Been Discovered

For centuries, the prevailing science has indicated that all of the nitrogen on Earth available to plants comes from the atmosphere. But a study from the University of California, Davis, indicates that more than a quarter comes from Earth’s bedrock. The study, to be published April 6 in the journal Science, found that up to 26 ...

Troy Oakes

Weathering rocks.