The Gulf conflict shows climate finance must evolve to withstand geopolitics

In the late 2010s, when Tommi Eronen and Markku Ylönen were working on their graduate degrees at the Tampere University of Technology, in Finland, they began to toy around with the idea of how to make their community 100% heat self-sufficient. The regional power grid delivered plenty of wind power, but the problem, as with renewables everywhere, was how to store the excess energy so it could be us