The letter to the European Council comes ahead of an EU heads of state meeting on 23 and 24 October.
It warns that “timely decisions” are needed on the cornerstones of the EU’s energy and climate policies beyond 2020, in order to boost investment confidence.
“We remain increasingly concerned at the costs, risks and impacts associated with delayed action on climate change, supply chains, resource costs and upon society as a whole,” says the letter.
“We
