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Glossary of Terms: N

National self-determination: Self determination is the process of a nation (or a firm) deciding their own framework for emission control, measurement and monitoring methodologies, without reference to the wishes of any other nation, firm or agency.

Netting: Netting regulations allow an entity to use emissions reductions achieved at a permitted facility to avoid some of the pre-construction review requirements that would normally apply to a proposed major modification at that same facility. Under netting provisions, emission reductions created over a specified time at a particular source can be balanced against emissions increases expected from the modification at the same source. If the net emissions increase is below the regulatory threshold level, the modification can be exempted from certain new source review requirements.

Nitrous Oxide (N2O): Greenhouse gas with a Global Warming Potential of 310. Results from the burning fossil fuels and the manufacture of fertiliser.

Non-Annex B Countries: Countries not included in Annex B of the Kyoto Protocol. Non-Annex B countries do not currently have binding emission reduction targets.

Non-Annex 1 Countries: Countries not included in Annex I of the United Nations Framework Convention on Climate Change UNFCCC. Non-Annex I countries do not currently have binding emission reduction targets.

"No-regrets options": Technology for reducing greenhouse-gas emissions whose other benefits (in terms of efficiency or reduced energy costs) are so extensive that the investment is worth it for those reasons alone. For example, combined-cycle gas turbines -- in which the heat from the burning fuel drives steam turbines while the thermal expansion of the exhaust gases drives gas turbines -- may boost the efficiency of electricity generating plants by 70 per cent.

NOx Emissions: The sum of nitric oxides and nitrogen dioxides emitted, calculated as nitrogen dioxide.

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