Nitrous oxide from urine patches in pastures

Commonly known as 'laughing gas' and currently used both in anaesthetics and as a 'legal high', nitrous oxide (N2O) is a powerful greenhouse gas produced in the soil by micro-organisms, especially so on land grazed by animals.

No laughing matter: Nitrous oxide rose at end of last ice age

Nitrous oxide (N2O) is an important greenhouse gas that doesn't receive as much notoriety as carbon dioxide or methane, but a new study confirms that atmospheric levels of N2O rose significantly as the Earth came out of the ...

Researchers calculate 'hidden' emissions in traded meat

An international team of researchers has, for the first time, estimated the amount of methane (CH4) and nitrous oxide (N2O) that countries release into the atmosphere when producing meat from livestock, and assigned the emissions ...

Excess nitrogen fertilizer increasing warming in China

Halving the amount of nitrogen fertiliser used in certain areas of China would substantially decrease greenhouse gas emissions without affecting crop productivity and the area's natural carbon sink.

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