solar A Perovskite Solar Submodule the Size of a Table Hits 23.5 Percent UNSW and UtmoLight set a certified 23.5 percent efficiency record on a 30-centimetre perovskite solar submodule, narrowing the gap with tiny lab cells.
renewable energy The World Added a Record 693 Gigawatts of Renewables in 2025 UN climate chief: humanity avoided almost half a trillion dollars in fossil fuel costs.
