Yes, but which climate do we not change?

https://commons.wikimedia.org/w/index.php?curid=47086879

The Köppen climate classification is one of the most widely used climate classification systems, according to Wikipedia. Quote.

It was first published by the climatologist Wladimir Köppen (1846-1940) in 1884, with several later modifications by Köppen, notably in 1918 and 1936. Later, the climatologist Rudolf Geiger (1954, 1961) collaborated with Köppen on changes to the classification system, which is thus sometimes called the Köppen–Geiger climate classification system.

The Köppen climate classification divides climates into five main climate groups, with each group being divided based on seasonal precipitation and temperature patterns.

The five main groups are:

  • A (tropical),
  • B (dry),
  • C (temperate),
  • D (continental), and
  • E (polar).

Each group and subgroup is represented by a letter. All climates are assigned a main group (the first letter). All climates except for those in the E group are assigned a seasonal precipitation subgroup (the second letter). For example, Af indicates a tropical rainforest climate. The system assigns a temperature subgroup for all groups other than those in the A group, indicated by the third letter for climates in B, C, and D, and the second letter for climates in E. For example, Cfb indicates an oceanic climate with warm summers as indicated by the ending b. Climates are classified based on specific criteria unique to each climate type.  [Csc has now been added to the list above to give a total of 30 different climates.]

Köppen designed the system based on his experience as a botanist, so the main climate groups are based on the different variety of vegetation that grows in climates belonging to each group. In addition to identifying climates, the system can be used to analyze ecosystem conditions and identify the main types of vegetation within climates. Due to its link with the plant life of a region, the system is useful in predicting future changes in plant life within a region.[…] End of quote.

So, my question to all those who are vigorously campaigning against global climate change is which one should not change and in which way should it not change?  If we stop all the evil CO2 and somehow get the ‘climate’ back to the pre-industrial 1800s is that not changing the climate (back)?

Or is climate change only bad if it is in a certain direction (warmer)? If this is the case, why don’t those who oppose climate change be honest and say so?  Surely it is not because there hasn’t been any warming for the last twenty years or so?

And would, say, one degree of warming in one climate zone have the same effect as one degree of warming in another?

If climate ‘change’ is bad, how do you know if you are stopping climate change unless a baseline ‘acceptable climate’ has first been agreed upon? As Stuart Nash so wisely said about the Police gun crime reporting, “Making decisions, you’ve got to have complete data, and the less data you have, the less robust your decisions are going to be.”

If you don’t know your starting point, you have no idea if you are making progress towards your destination.

When James Shaw and the Climate Commission come up with the description of New Zealand’s ideal climate from which any change is unacceptable, then we can start some sensible discussions.


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WH is a pale, stale, male who does not believe all the doom and gloom climate nonsense so enjoys generating CO2 that the plants need to grow by driving his MG.

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