When it comes to fighting climate change, it’s not always traditional approaches that bring success. Creative ideas, simple solutions and good innovations are equally important – and that proves to be true in Christoph Kober’s latest report on solar cookers in Madagascar. The devices are extremely versatile, able to cook and supply electricity. Inventive concepts are also the focus in our background article by Torsten Schäfer. He reports on the multifaceted world of “green gadgets,” where bonsai trees generate electricity and footballs harness kinetic energy while you play to produce electricity. The smart concepts help raise awareness about clean energy production in a fun way.