C&C is the principle upon which the UK Climate-Act is based.

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  1. Contraction & Convergence (C&C) first 20 years (1989-2008)
  2. The Royal Commission on Environmental Pollution advocates C&C to Government (2000)
  3. July 2000 RCEP Chairman Sir Tom Blundell wrote a letter thanking GCI
  4. Coilin Challen's UK Climate Act (Contraction & Convergence) 2006
  5. Challen bill is the basis of the UK Climate Act in 2008
  6. Chairman of the CCC Adair Turner confirms C&C is the basis of the UK Climate Act
  7. C&C and UNFCCC-Compliance
  8. All UK Political Parties strongly endorsed C&C
  9. C&C supporting Early Day Motions (EDMs)

HMG's UK Climate Act (UKCA 2008) is C&C (Right Principle, Wrong Rates)

In 2009, Adair Turner, then Chairman of UK Climate Change Committee, said in HoC that C&C is the basis of the UK Climate Act (UKCA): -
"In the UK Climate Act we have endorsed the C&C principle. Its pretty strong support for what Aubrey Meyer has said.
We didn't call it that - it became emotive for reasons I don't really understand."

As Chairman of the Climate Change Committee Adair Turner had written to the Minister (Ed Milliband) saying: -
"We believe that it is difficult to imagine a global deal which allows the developed countries
to have emissions per capita in 2050 which are significantly above a sustainable global average."

He subsequently confirmed to Colin Challen MP at the Energy and Climate Change committee that: -
" . . . if for reasons of urgency the overall contraction rate had to be accelerated,
the convergence rate
As Chairman of the Climate Change Committee Adair Turner had written to the Minister (Ed Milliband) saying: -

"We believe that it is difficult to imagine a global deal which allows the developed countries
to have emissions per capita in 2050 which are significantly above a sustainable global average."

He subsequently confirmed to Colin Challen MP at the Energy and Climate Change committee that: -

" . . . if for reasons of urgency the overall contraction rate had to be accelerated,
the convergence rate would have to be accelerated relative to that . . .
"

The present Chairman of the Climate Change Committee John Gummer, advocated C&C as,
"the intellectually and morally coherent principle of Contraction & Convergence".


However, as the situation got worse, the Climate Change Committee (CCC) progressively lost its way . . .
'leading the world' into yet another Climate-Act-defying smorgasboard of too little, too late . . .

By adding another 3.0 Gt Carbon to the UK's enormous carbon-debt Minister Claire Perry opines that the UK will have ceased its contribution to global warming.
This is a measure of the extent to which this Minister fails to understand the crisis we're in. At least Extinction Rebellion permits only another 0.6 Gt C.



We now need a global average of minus 20 tonnes per second for the next twenty years to reach net-zero-carbon by 2040 GLOBALLY . . . !

[a] Half the carbon emitted since 1750 is still in the atmosphere
[b] This was emitted very unevenly between industrialised and non-industrialised countries against the global per capita average of carbon-consumption arising.
[c] This 'expansion and divergence' created enormous carbon-debts & carbon credits which by definition require 'contraction and convergence' (C&C) to resolve.

Full-term internationally disaggregated global accounts are required for global agreement to decarbonise by e.g. 2040,
indexed to the global per capita average arising. This is the C&C Principle and it is the basis of the UK Climate Act.

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Current CCC membership includes three people (described as 'scientists') who nonetheless defend the CCC's new 2050 target with political arguments such as

[a] appeals for the 'understanding' of yet another random & inadequate sub-global policy-response (Dr Piers Forster) and
[b] going around pathetically saying, "I am so worried about my daughter, but it's not helpful to talk about the past," (Dr Corinne le Quere) and
[c] from way back at the Policy Studies Institute & fondly remembered by Dr Mayer Hillman as saying, "we'll muddle through somehow," (Dr Jim Skea).

Is this why Corrine le Quere says its not helpful to talk about the past?

The bottom-line? UNFCCC-Compliance is based on Precaution & Equity, as stated in the UNFCCC itself.
Consequently there has to be a global schedule with a non-random national:international structure for UNFCCC-Compliance.
It is not "a range of opinion" as some still say, it is "a range of values derived from that global structure".
If someone has something better, it hasn't shown up and delivered anything in the last 30 years.

We can call it Peter Pan and Wendy if we wan't to, but that flexible but non-random structure is C&C.

  1. UK Emissions & the Paris Agreement (CCC refuses to revise targets in the light of that)
  2. The irrationality of delay; the case in a Nutshell
  3. Canaries & Canards - Global & UK National - UKMO/HMG dodgy statistics
  4. 'Five Wise Monkeys' - a ludicrous idea from the UK CCC
  5. Sane Safe Fair? UK 'leadership' is >3 times its global share!
  6. Embedded Emissions - more false accounting from the British Government?
  7. UK CO2 emissions & carbon debit since 1750 (CDIAC)
  8. UK CO2 emissions oil coal & gas since 1750 (CDIAC)
  9. The CCC finally make an inadequate revision to the UK emissions target (to 'net zero' by 2050 rather than by 2060)
  10. These CCC Carbon Budgets can now to be compared with Extinction Rebellion defined budgets.