“The decision-maker must have regard to the precautionary principle and to the degree of uncertainty, as to environmental impact, at the date of decision. Depending on the information available, the decision-maker may or may not be able to make a judgment as to the likelihood of significant effects on the environment. There may be cases where the uncertainties are such that a negative decision cannot be taken.”
“It is also clear from…Commission v Portugal (2004) ECR 1 5517 that, in order to demonstrate that the national authorities exceeded the limits of their discretion by failing to require that an impact assessment be carried out before giving consent for a specific project, the Commission cannot limit itself to general assertions by, for example, merely pointing out that the information provided shows that the project in question is located in a highly sensitive area, without presenting specific evidence to demonstrate that the national authorities concerned made a manifest error of assessment when they gave consent to a project.”
“I do not see that there is any true question of proportionality arising in the present case. We are not concerned with the exercise of a discretion and therefore we are not concerned with assessing whether a response to a particular aim is or is not proportionate. We are concerned with a fact-finding exercise. There is nothing, as it seems to me, in the jurisprudence of the Court of Justice to show that the conventional English law approach is inapt….”