Heatwaves this summer could lead to a surge in fossil fuel use as many countries worldwide continue to rely on oil, gas, and coal to meet their demand peaks. While many governments are striving to increase their renewable energy capacity in line with a green transition, this is a slow process, with many projects taking several years, or even decades, to complete. And even if countries are experiencing success in the gradual transition to green, several are continuing to turn to fossil fuels during times of extremely high demand, causing concern…