ISSUE #6: Environment

KPI: Human GHG Emissions (Million Tonnes CO₂-e)

Source: Ministry for the Environment

AKA: climate change, pollution

Key notes

  1. The environment consists broadly of air/space, waters, land/plants, animals, and climate, however, the KPI that is most spoken about is human GHG emissions.
  2. The Covid limitation and lockdown rules that began on 19 March 2020 nationwide and the final lockdown that ended on 15 December 2021 in Auckland, including international travel, obviously had a significant impact on emissions for some of this timeframe. Context and judgments like this are subjective, so they are impossible to show in a graph. It is up to each reader to evaluate the proportion of responsibility they place on each government over the timeframe shown, versus factors outside of their control.
  3. Remember that each Labour-led or National-led government has had coalition partners that share the successes, and the failures, with them. A full list of governments for this time range is at the bottom of this page.

Data sources

Data shown:

  • Totals of million tonnes carbon dioxide equivalent (C02-e) in a year. See ‘Why this KPI?’ below for more details.
  • Human gross GHG emissions
  • Human net GHG emissions

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