Solar chemical refers to a number of possible processes that harness by absorbing in a . The idea is conceptually similar to in plants, which converts solar energy into the chemical bonds of molecules, but without using living organisms, which is why it is also called . A promising approach is to use focused sunlight to provide the energy needed to split water int.
Renewable energy has been used as an alternative solution to fossil fuels aiming to supply the increasing energy demand while reducing greenhouse gas emissions. Solar and wind energy are prominent.