Thank you Andy, this is very interesting.
In the past I have worked with energy intensive companies in harder to abate sectors. Some of them do include voluntary offsets into their net zero road maps, many - don't. They quoted similar risks mentioned in PWC report you share: integrity, additionality, quantification.
For those who are interested, we recently had a webinar with SparkChange on regulatory (not voluntary) carbon markets and modelling, here are key takeaways attached
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Aya Pariy
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