Nature Energy, Published online: 26 April 2024; doi:10.1038/s41560-024-01504-yUltralightweight perovskite solar cells that achieve a specific power of up to 44 W g–1 and good stability are developed through engineering of the photoactive layer and substrate. These solar cells can be integrated into a drone to enable energy-autonomous flight.

Nature Energy, Published online: 25 April 2024; doi:10.1038/s41560-024-01523-9Getting a charge out of perovskites

Nature Energy, Published online: 25 April 2024; doi:10.1038/s41560-024-01521-xPatterned membranes

Nature Energy, Published online: 25 April 2024; doi:10.1038/s41560-024-01524-8Outweighing increased efficiency

Nature Energy, Published online: 25 April 2024; doi:10.1038/s41560-024-01522-wThreshold for degradation

Nature Energy, Published online: 24 April 2024; doi:10.1038/s41560-024-01492-zA new study of low-carbon value chains of basic materials (steel and chemicals) demonstrates how regional differences in renewable energy prices may lead to a global relocation of energy-intensive production.