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to 1986 levels. The subsequent London Agreement called for a complete elimination
of CFC use by 2000. The Copenhagen Agreement, which called for a complete
phase out by January 1, 1996, was implemented by the U.S. Environmental Protection
Agency.
N
Nationally Determined Contributions (NDCs)
A term used under the United Nations Framework Convention on Climate Change
(UNFCCC) whereby a country that has joined the Paris Agreement outlines its plans
for reducing its emissions. Some countries' NDCs also address how they will adapt to
climate change impacts, and what support they need from, or will provide to, other
countries to adopt low-carbon pathways and to build climate resilience.
Negative emissions
Removal of greenhouse gasses (GHGs) from the atmosphere via deliberate activities,
in addition to the removal that occurs via natural processes. Also see Greenhouse
gas removal (GGR).
NERC
The North American Electric Reliability Corporation. NERC develops and enforces
reliability standards; annually assesses seasonal and long‐term reliability; monitors the
bulk power system through system awareness, and more.
Net negative emissions
Net negative emissions are achieved when, as result of human activities, more
greenhouse gasses are removed from the atmosphere than are emitted into it.
Net zero CO2 emissions
Net zero carbon dioxide (CO2) emissions are achieved when CO2 emissions are
balanced globally by CO2 removals over a certain period. Net zero CO2 emissions
may also be referred to as carbon neutrality.
