Solar systems on roofs have great potential for the energy transition. The German government is debating mandatory solar panels for new buildings, and some German states have already introduced similar measures. China has long lagged behind other countries in this respect. But for some years now, the People's Republic has been experiencing a boom. Thanks in part to an innovative pilot program.
By Nico Beckert
Is it possible to build solar power plants in space to supply Earth with energy? The idea is controversial among scientists. China now wants to place test satellites in high orbits that will send energy to Earth.
By Redaktion Table