This coming winter will stretch Europe’s energy resources more than any time in living memory and threatens to destabilize geopolitics across the continent. The European Commission’s upcoming strategy must focus on short-term efficiency measures before an unrelenting push towards onshore renewables. As much of Europe sits in record breaking heat, it seems almost impossible to fathom the chaos that a cold winter will bring. But it is in fact this very volatility in temperature – an undeniable consequence of climate change – that threatens Europe’s energy system. The cause is the worsening stranglehold that Russian President, Vladimir Putin, is taking on Europe’s supply. Russian energy has historically been crucial to keep things turning in Europe, while revenues from exports plays…