You can access the 8-page briefing here: Understanding, Safeguarding and Strengthening the Precautionary Principle, in the context of the Brexit negotiations.

by Rupert Read and Tim O’Riordan

We are moreover (and this is less widely understood) not predictable not only in practice but also in principle: i.e. this is not a limitation that can be overcome. For if the human future could be predicted, it would then be deliberately altered. Therefore it cannot be predicted. Human creativity and novelty and our ability to respond to predictions means that our actions cannot possibly by reliably modelled, even in principle.