The US and Europe differ over many things, differing opinions on many things some ordinary – such as what kind of game football is – and some vital to the core of our respective cultures, helping to keep us distinct and, in turns, engaged and exasperated.

Still, there are many more areas where we agree and I believe we are now moving toward increasing agreement on an issue that is neither ordinary nor unique to the US or Europe: either cultureany of our cultures: and most certainly not ordinary: that we must fundamentally revolutionise how we produce and consume energy and so firmly commit firmly to reducing emissions in our shared environment.