NZGBC

New Zealand Green Building Council, http://www.nzgbc.org.nz.The New Zealand Green Building Council is an industry organisation dedicated to accelerating the development and adoption of market-based green building practices.

GWP

Global Warming Potentials (GWP) are calculated as the ratio of the radiative forcing of one kilogramme of greenhouse gas emitted to the atmosphere to that from one kilogramme of carbon dioxide over a period of time (e.g. 100 years).