It establishes a national inventory agency to record and report greenhouse gas emissions.

[1] The legislative purposes of the Climate Change Response Act 2002 are; The Climate Change Response (Emissions Trading) Amendment Act 2008 established the Fifth Labour Government of New Zealand's version of the New Zealand Emissions Trading Scheme in September 2008.

[4] Part 4 of the Climate Change Response Act sets out the New Zealand Emissions Trading Scheme.

[5] On 8 May 2019, the Government introduced the Climate Change Response (Zero Carbon) Amendment Bill to Parliament.

[6] The Climate Change Response (Zero Carbon) Amendment Bill received royal assent on 13 November 2019.