Covering roofs with solar panels could significantly contribute to decarbonising global energy systems. MaddyBris/Pixabay Siddharth Joshi, University College Cork; James Glynn, Columbia University, and Shivika Mittal, Imperial College London Rooftop solar panels are up to 79% cheaper than they were in 2010. These plummeting costs have made rooftop solar photovoltaics even more attractive to households … Continue reading Solar panels on half the world’s roofs could meet its entire electricity demand