The New Zealand-European Union free trade agreement includes 'unprecedented' climate commitments in the deal.
New Zealand will be required to follow conditions set out in the Paris climate agreement or potentially face punishment.
NZ International Business Forum executive director Stephen Jacobi says it's most unlikely that the climate requirements within the agreement will be enforced.
"The cost of not meeting our Paris commitments, for example, is quite high. Something between $3 billion to $25 billion. That is far greater than the value of our total exports to the EU."
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