Solar panels might seem like they're in direct competition with plants. One is catching sunlight to do photosynthesis, the other wants to take it to push electrons. Surely Highlander rules apply, and there can be only one on a plot of land, right? In reality, it's not a zero-sum game.

An estimated €231 billion is spent annually on energy efficiency (EE) investments - but tapping the full potential of EE will require at least four times as much investment. This finance gap is slowing down the energy transition we need.